486 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



cd. 3. — Dorsal posterolateral muscles of the heart. 



cd. 4. — Ventral postero-lateral muscles of the heart. 



cd. 5. — Posterior muscle of the heart. 



cd. 6. — Lateral posterior muscle of the heart. 



cd. al. — Antero-lateral cardiac plate. 



cd. pi. — Postero-lateral cardiac plate. 



c. g. — Cerebral ganglia. 



ch. — Chela. 



ch. ep. — Epidermis (chitogenous epithelium). 



c. i. — Postero-inferior cardiac muscle. 



c. lat. — Lateral cardiac muscles. 



c. m. — Circular muscles. 



c. lob. — Cerebral lobe of the bladder. 



en. — Cornea. 



c. oe. — Constrictor muscles of the oesophagus. 



Com. — Commissure. 



corn. — Corneagen (cells of ommatidium). 



c. p. v. — Cardio-pyloric valve. 



c. py. — Cardio-pyloric muscles. 



c. t. — Connective tissue. 

 ct. gl. — Cutaneous gland. 

 cut. — Cuticle. 



D. — Dactylopodite. 



d. ai. — Antero -inferior dilator muscle of the cardiac fore-gut. 

 d. art. — Descending artery. 



Der. — Dermis. 



d. ex. C. — Tendon of the dorsal extensor muscle of the coxopodite. 



d. f. ex. — Dorsal flexor muscle of the exopodite. 



d. g. — Duct of the gland. 



di. gl. — Digestive gland. 



d. I. — Deeper layer of the cornea. 



d. la. — Antero-lateral dilator muscle of the cardiac fore -gut. 



d. Ip. — Postero-lateral dilator muscle of the cardiac fore-gut. 



d. sup. — Dorsal pyloric muscle. 



d. v. m. — Dorso-ventral muscles. 



E. — Epistoma. 



e. a. md. — External adductor muscle of the mandible. 

 e. b. md. — External abductor muscle of the mandible. 

 e. bl. — Epithelium of the bladder. 



e. d. — Ejaculatory duct. 



e. es. — Epithelium of the end-sac. 



ef. — Efferent vessel. 



ef. 1 — 9. — Efferent vessels of gills 1 to 9. 



e. lb. — Epigastric lobe of the bladder. 



end. — Endopodite. 



end. s. — End sac. 



ep. 4 — 12. — Endopleurites of somites 4 to 12. 



epm. 1 — 19. — Epimera of somites 1 — 19. 



e. st. 4 — 12. — Endosternites of somites 4 to 12. 



e. st. 13. — Last thoracic arthrophragm ("sella turcica''). 



e. tu. — Epithelium of the renal tubule of the labyrinth. 



ex. — Exopodite. 



ex. 1 — 6. — Extensor muscles of the abdominal somites 1 to 6. 



ex. B. — Tendon of the extensor muscle of the basi-ischiun. 



ex. G. — Tendon of the extensor muscle of the coxopodite. 



ex. C 1 . — Tendon of the extensor muscle of the carpopodite. 



ex. fl. (Fig. 29). — Extensor muscle of the rlabellum. 



