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ex. ft. (Fig. 30). Extensor muscle of the ilagcllum. 



ex. prot. Extensor muscle of the protopodite. 



ex. py. Exopyloric ossicle. 



ext. D. Tendon of the extensor muscle of the dactylopodite. 



ext. ex. Extensor muscle of the exopodite. 



ext. P. Tendon of the extensor muscle of the propodite. 



ex. tel. Extensor muscle of the telson. 



/. 1 6. Flexor muscles of the abdominal somites 1 to 6. 



/. B. Tendon of the flexor muscle of the basi-ischium. 



/. c. Fat cell of the digestive gland. 



/. C. Tendon of the flexor muscle of the coxopodite. 



/. C'. Tendon of the flexor muscle of the carpopodite. 



/. D. Tendon of the flexor muscle of the dactylopodite. 



flab. Flabellum (epipodite). 



flag. Flagellum. 



ft. m. Muscles from the top of the " gland " to the carapace. 



/. m. 1. Flabellum of the first maxillipede. 



/. m. 2. Flabellum of the second maxillipede. 



/. m. 3. Flabellum of the third maxillipede. 



/. m. c. Ferment cell of the digestive gland. 



/. o. External female genital opening. 



/. p. Fracture plane. 



/. P. Tendon of the flexor muscle of the propodite. 



/. prot. Flexor muscle of the protopodite. 



/. tel. Flexor muscle of the telson. 



/. v. Ferment vesicle. 



g. 1. First gill. Podobranch of the second thoracic somite. 



g. 2. Second gill. Arthrobranch of the second thoracic somite. 



g. 3. Third gill. Podobranch of the third thoracic somite. 



g. 4. Fourth gill. Anterior arthrobranch of the third thoracic somite. 



g. 5. Fifth gill. Posterior arthrobranch of the third thoracic somite. 



g. 6. Sixth gill. Anterior arthrobranch of the fourth thoracic somite. 



g. 7. Seventh gill. Posterior arthrobranch of fourth thoracic somite. 



g. 8. Eighth gill. Pleurobranch of the fifth thoracic somite. 



g. 9. Ninth gill. Pleurobranch of the sixth thoracic somite. 



g. a. Anterior gastric muscle. 



g. /. Fat globules. 



g. Ib. Paragastric lobe of the bladder. 



g. p. c. External posterior gastric muscle. 



g. p. i. Internal posterior gastric muscle. 



h. Seta of the endopodite of the pleopod of the female. 



h. art. Hepatic artery. 



h. g. Hind gut. 



h. 1. Hepatic lobe of the bladder. 



/. Ischiopodite. 



ia. art. Inferior abdominal artery. 



i. a. f. Inter ampullary fold. 



i. a. md.- Internal adductor muscle of the mandible. 



i. b. md. Internal abductor muscle of the mandible. 



i. b. s. Inter-branchial septum. 



i. caec. Hind-gut caecum. 



i. e. m. Inner flexor muscle of the first maxilla. 



i. ex. Inner flexor muscle of the scaphognathite (i. ex. s., Figs. 27, 31). 



i. /. Inner extensor muscle of scaphognathite. 



t. /. m. Inner extensor muscle of first maxilla. 



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