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Photomicrograph of freshwater leech. Sucker attached to cover slip at bottom. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Sandstone cliff dwelling desert southwest summer landscape with clear blue sky in Mesa Verde Colorado, USA.
The magical canyons, pre-coulmbian ruins and settlements of Canyon de Chelly National Monument in the summer of 2008.
Ancient stone jungle like an alien world
Petrified Forest National Park, a natural attraction place with many petrified tree trunks and fossils, in Arizona, USA.
Aerial view of Cappadocia in Winter
Painted Desert, Petrified Forest National Park, Arizona - United States
A variety of rock features and colors make Bryce Amphitheater a unique geologic site.
Rock formations on Oahu coast
nature
A view from the Kizilcukur Valley in the Cappadocia region of Turkey
low angle view of basalt rocks background in autumn day.
Marble mining plant at the east of the island. White stone in blocks and gravel. Seaside of the Thracian sea. Porto Vathy, island Thassos (Thasos), Greece.
One mile paved trail winds through the Blue Mesa Hills in the Petrified Forest, Arizona, USA
Aerial view, natural panorama of the savanna hills which are also known as Pajjongan hills in Bombana, Southeast Sulawesi
Storm clouds over Supreme Point Overlook and red rock canyons of Cedar Breaks National Monument Utah
Layers of orange rock exposed in stone pillar
Frozen Puddle in the Meadow, Canada
Rugged and Scenic landscape of the ancient petrified forest in Arizona
Central California's High Sierra Range.
Exploring the beauty of Zion National Park from before sunrise to long after sunset from the valley floor to soring majestic peeks.
Colorful Danxia landform.
Large bare sandy steep cliffs and canyon with green grass in Cappadocia highland under blue sky at sunset. Scenic landscape of touristic place in Turkey
Bryce Canyon National Park
Outlook over the Kuiseb pass viewpoint in Namibia, an area that strongly resembles a lunar landscape.
Aerial view of Cappadocia in Winter
This rock, made of salt, limestone and sandstone, is also known as Paredão Salitroso in Portuguese. It is located in Porto Feliz City, in the state of São Paolo - Brazil
Panoramic image of rugged rock formations riddled with ancient cave houses near Goreme, Cappadocia, Turkey. Thousand of cave dwellings were carved out of the soft volcanic tufa rock in this area.
Autumn scene in Ordesa and Monte Perdido National Park, Spain
Early morning light at Bryce Canyon in Utah, USA
Free Images: "bestof:Tactile Ridges of Chologaster Papilliferus.jpeg Tactile Ridges of Chologaster Papilliferus Lateral Dorsal and Ventral Views of Body Subject Catfishes Cave"
Haeckel_Batrachia.jpg
Culex restuans larva diagram num.svg
Wrist and hand deeper palmar dissection-numbers.svg
FMIB_33510_Tactile_Ridges_of_Chologaster_Papilliferus.jpeg
FMIB_33476_Chologaster_Papilliferus.jpeg
FMIB_33484_Chologaster_Agassizii.jpeg
FMIB_33467_Typhlichthys_Subterraneus.jpeg
FMIB_52355_Dysichthys_australe_Eigenmann_and_Ward_(Type)_Ventral_and_dorsal_views.jpeg
FMIB_42809_Varieties_of_Gold-Fish_(Lateral,_Dorsal,_and_Ventral_Views)_-_Wakin.jpeg
FMIB_42810_Varieties_of_Gold-Fish_(Lateral,_Dorsal,_and_Ventral_Views)_-_Ryukin.jpeg
FMIB_42811_Varieties_of_Gold-Fish_(Lateral,_Dorsal,_and_Ventral_Views)_-_Ranchu.jpeg
FMIB_42812_Varieties_of_Gold-Fish_(Lateral,_Dorsal,_and_Ventral_Views)_-_Oranda_shishigashira.jpeg
FMIB_42813_Varieties_of_Gold-Fish_(Lateral,_Dorsal,_and_Ventral_Views)_-_Shukin.jpeg
FMIB_42814_Varieties_of_Gold-Fish_(Lateral,_Dorsal,_and_Ventral_Views)_-_Deme.jpeg
FMIB_52299_Serrasalmo_humeralis_Cuvier_and_Valenciennes_Lateral_(1),_ventral_(2),_and_dorsal_(3)_views_of_skull_1_U_Mus_No_50,044.jpeg
FMIB_33437_Troglichthys_Roser.jpeg
Thecocoelurus.png
FMIB_33432_Amblyopsis_Spelaeus.jpeg
Cavefaunaofnorth00pack_0179.jpg
FMIB_47900_Spongilla_Flies-_Climacia_dictyona_Needham-_1_Imago,_lateral_view;_2_Imago,_dorsal_view;_3_Larva,_dorsal_view;_4_Pupal_cases,_in.jpeg
Kutorgina_cingulata.png
Fossa_(mammal)_skulls.jpg
FMIB_40462_Mastigocerca_mucosa_Side_view,_showing_the_furrow_between_two_dorsal_ridges.jpeg
FMIB_40466_Chirostoma_promelas,_lateral_and_dorsal_views_of_head.jpeg
FMIB_40477_Chirostoma_ocotlane,_Lateral_and_dorsal_views_of_head.jpeg
FMIB_40486_Chirostoma_lermoe,_Lateral_and_dorsal_views_of_head.jpeg
FMIB_49874_Dorsal,_lateral,_and_ventral_view_of_Sphaecroma_pentodon_Richardson.jpeg
FMIB_51333_Guitar-Fish_Rhinobatus_lentiginosus_Lateral_and_dorsal_views.jpeg
FMIB_51331_Hammer-Headed_Shark_Sphyrna_zygaena_Dorsal_and_dorso-lateral_views.jpeg
FMIB_40842_Loxophyllum_setigerum,_var_armatum_a,b,c-_ventral,_dorsal,_and_lateral_aspects.jpeg
FMIB_52365_Sturisoma_robusta_(Regan)_-.jpeg
Lohuecosuchus megadontos - jpone - 004.PNG
Aturia.png
FMIB_41764_Holophryxus_alaskensis,_adult_female,_Richardson,_new_species_a,_Dorsal_view;_b,_lateral_view;_c,_ventral_view.jpeg
Kainops invius lateral and ventral IT.jpg
PTRS168_0627.png
PTRS168_0709.png
Cavefaunaofnorth00pack_0183.jpg
FMIB_47812_Views_of_the_under_sides_of_the_heads_of_adult_females_of_the_common_sturgeon,_showing_the_relative_position_of_the_barbels_and.jpeg
Fish anatomy.jpg
Anatomia dei pesci.jpg
The_Quarterly_journal_of_the_Geological_Society_of_London_(13889757548).jpg
FMIB_43263_Leucorhina_glacialis-_1_Two_nuymphs_on_the_bottom_of_the_pond;_2_Empty_nymph_skin,_left_clinging_to_a_branch_after.jpeg
FMIB_47740_Apeltes_quadracus_(Four-spined_Stickleback).jpeg
Gray202.png
FMIB_43727_Cymopolia_cristatipes,_Male_Holotype,_after_A_Milne_Edwards_and_Bouvier_a,_Dorsal_view;_b,_Front,_dorsal_view;_c,_ventral_view.jpeg
FMIB_47560_Cymopolia_cursor,_Female,_after_A_Milne_Edwards_and_Bouvier_a,_Dorsal_vidw;_b,_Right_oculo-antennal_region,_ventral_view;_c.jpeg
The_Quarterly_journal_of_the_Geological_Society_of_London_(13935692101).jpg
FMIB_51326_Cut_of_Yellow_Perch_Showing_Parts_Usually_Referred_to_in_Descriptions.jpeg
FMIB_52883_The_interior_characteristics_of_a_pelcoypod_shell_Left_valve_of_Vesus_gnidia-_A,_anterior;_B,_posterior;_C,_dorsal;_D,_ventral.jpeg
FMIB_47901_Caddis_Flies-_1_Dorsal_view_of_larva_of_Molanna_cinerea_Hagen;_2_Lateral_view_of_larva_of_M_Cinerea;_3_Lateral_view_of_the_pupa.jpeg
FMIB_47897_Fall_Web_Worm_and_Spiny_Elm_Caterpillar-_FAll_Web_Worm_(Hyphantria_cunea_Drury)-_1_Cluster_of_eggs;_2_Dorsal_views_of_full_and.jpeg
Kondowe_Plateau,_Malawi,_(s.d.)_(imp-cswc-GB-237-CSWC47-LS5-1-031).jpg
Image_from_page_251_of_"The_fishes_of_North_Carolina_"_(1907).jpg
Haeckel_frogs_with_labels.jpg
Reitter_Carabus_tags_added.png
Image_from_page_436_of_"Catalogue_of_the_fresh-water_fishes_of_Africa_in_the_British_museum_(Natural_history)_.."_(1909).jpg
Image_from_page_478_of_"Catalogue_of_the_fresh-water_fishes_of_Africa_in_the_British_museum_(Natural_history)_.."_(1909).jpg
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