EUPAGTJRTJS. 



569 



N. 

 n. rr. 1 =Antennulary nerve. 

 n. (7. 2 = Antennary nerve. 

 n. av. = Otic (Static) nerve. 

 n. fib.= Nerve fibrillae. 

 n. md. = Mandibular nerve. 

 n. md. m. — Mandible muscle 



nerve. 

 n. m. o. = Optic motor nerve. 

 n. mx.', n. mar." = Nerves to 



maxillae. 

 n. mxp.', mxp.", mxp."' = Nerves 



to maxillipedes. 

 n. op. = Optic nerve. 

 n. op. /. = Optic nerve fibres. 

 n. p. x — n. p. b = Nerves to pereio- 



pods. 

 n. pl. x — n. pl. i = Nerves to pleo- 



pods. 

 n. po. = Post-oesophageal nerve. 

 n. r. = Nerve branches on rectum. 

 n. teg. = Tegumentary nerve. 

 n. u. = Nerve of uropods. 

 nu. = Nucleus. 



0. 

 oes. = Oesophagus. 

 op. a. = Articular cavity for eye. 

 optk. a. = Ophthalmic or median 



arterj'. 



P. 



p. x a. — p. 5 a. = Arteries to walking 



legs. 

 p. g.= Par- oesophageal ganglion. 

 pg. I. = Paragastric lobe. 

 pip. = Pleopod. 

 p. p. = Prepyloric ossicle. 

 prop. = Propodite. 

 prot. = Protopodite. 

 p. re. = Proximal retinular cells. 

 pt. = Pigment. 

 ptc. = Pterocardiac ossicle. 

 py. = Pyloric ossicle. 

 py. a. = Pyloric ampullae. 

 pyl. = Pyloric fore-gut. 



R. 



rb. = Rhabdome. 



r. liv. = Right lobe of digestive 



gland. 

 r. ov.= Blood vessels to right 



ovary. 



S. 



s. abd. = Superior abdominal 



artery. 

 s. c— Sternal canal. 

 sea. = Scaphognathite. 

 seg. a. = Segmental artery. 

 sg. 1. = Supragastric lobe. 

 smp. = Spermatophore. 

 sptd. = Spermatid. 

 sptc. = Spermatocyte. 

 spz. = Spermatozoa. 

 st. — " Stiftchen." 

 st. a. = Sternal artery. 

 stbi — " Stiftchen " bundles cut 



longitudinally. 

 stb. 2 = " Stiftchen " bundles cut 



transversely. 

 s£. bd. = Striated border. 

 st. g. = Stomatogastric ganglion. 

 st. n. = Stomatogastric nerve. 

 s. v. = Superior valve. 



T. = Telson. 



tes. = Testes. 



t. ex. ad. = Tendon of ext. add. 



mus. of mandible. 

 T. som. = Thoracic somite. 

 ts. t. = Glandular tube of testis. 



U. 



uc. = Urocardiac ossicle. 



ur. =Uropod. 



ur. an. = " Anlagen " of uropods. 



v. d. = Vas deferens. 



vit. = Vitrellae or cone cells. 



Y. 



y. c. = Young cell of digestive 

 gland. 



Z. 



z. c. = Zygocardiac ossicle. 



Roman numerals indicate thoracic somites in several figures. 



