196 



cd. 3. Dorsal postero-lateral 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. lot. Lateral cardiac muscles. 



c. ra. 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-pyioric 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. Dennis. 



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. 1. 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. 



e/. 1 9. Efferent vessels of gills 1 to 9. 



e. Ib. 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. C. Tendon of the extensor muscle of the coxopodite. 



ex. C 1 . Tendon of the extensor muscle of the carpopoditf. 



ex. fl. (Fig. 29). Extensor muscle of the flabellum. 



