THE ANNELID-ARTHROPOD PHYLOGENETIC LINE

Crayfish Dissection

crayfish_lateralfull.jpg (28191 bytes)

Entire crayfish (lateral view)

Oral region (dorsal view)

crayfish_frontaldorsal.jpg (42823 bytes)
crayfish_lateralcephalothorax.jpg (45980 bytes)

Cephalothorax (lateral view)

Female reproductive (ventral view)

female_crayfish_vent.jpg (41226 bytes)
crayfish_dorsalthorax.jpg (43508 bytes)

Cephalothorax (dorsal view)

Male reproductive (ventral view)

male_crayfish_ventral.jpg (37598 bytes)
crayfish_dorsal.jpg (43133 bytes)

Thorax (dorsal view)

 

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Earthworm Dissection

earthworm_xs_1.jpg (30576 bytes)

Internal organs (microscopic cross section)

earthworm_xs_2.jpg (25908 bytes)

Muscles and setae (microscopic cross section)

earthworm_dissection.jpg (51880 bytes)

Earthworm dissection (labeled)

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Grasshopper Dissection

male_grasshopper.jpg (23312 bytes)

Male grasshopper (posterior end)

female_grasshopper.jpg (23028 bytes)

Female grasshopper (posterior end)

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