ABBREVIATIONS. 



a. has., a. basilaris. 



a. cer., (?) a. cerebri (?). 



a. car. i., a. carotis iiitcrna. 



a. seg. d., a. scgmentalis dorsalis. 



a. seg. I., a. segmentalis latcralis. 



a. seg. v., a. segmentalis ventralis. 



a. umb., a. umbilicalis. 



a. umb. d., a. umbilicalis dextra. 



a. umb. s., a. umbilicalis sinistra. 



aa. umb., aa. umbilicales. 



all., allaritois. 



am., amniou. 



am. <., amnionic cavity. 



ao. d., aorta dorsalis. 



ao. d. d., aorta dorsalis dextra. 



ao. d. s., aorta dorsalis sinist.ra. 



ao. v., aorta ventralis. 



ao. a., aortic arch. 



ao. p., aortic process of sclerotonie. 



a. pi., t., arterial plexus of tail. 

 atr. p., atrial projection, 

 atr., atrium. 



aud. p., auditory pit. 



b. c., blood-corpuscles, 

 b. v., blood-vessels. 



b. st., body-stalk. 



b. w., body-wall, 

 bul. cor., bulbus cordis. 



cap., capillary. 



cap. pi., capillary plexus. 



c. int., caudal intestine, 

 ch. d., chorda dorsalis. 

 ch. can., chordal canal. 



ch. p., chordal process of sclerotonie. 



cloa., cloaca. 



cl. men., cloacal membrane. 



c. m., cuticular membrane, 

 coe., coelom. 



coe. cloa. d., ecelom on right side of cloaca and caudal 



intestine, 



coe. cloa. s., ecelom on left side of cloaca and caudal 



intestine. 



eoe. d., ccelomic depressions, 



eoe. f. g., ecelom surrounding fore-gut. 



cop., copula. 



d. b., dorsal branch of medial limb of a. seg. d. 



ect., ectoderm. 



end. ht., endothelial heart. 



end. p., endothelial process. 



end., endothelium. 



ex. coe., exoccelomic cavity. 



f. g., fore-gut. 



gang. ac. fc., ganglion acustico-facialis. 



gang, c., ganglion crest. 



gang. gl. ph., ganglion n. glossopharyngei. 



gang, tri., ganglion n. trigemini. 



gang, va., ganglion n. vagi. 



gas. r., gastric region. 



g. c., gill-cleft. 



ht. sw., heart swelling (Grosser). 



h. g., hind-gut. 



inf., infundibulum. 



int., integument. 



' e -. intersegmental enlargement of v. card. p. 



' b., lateral branch of a. seg. d. 



' *> lateral tributary of v. card. p. 



liv. d. (p. c.), liver diverticulum (pars cystica). 



liv. d. (p. h.), liver diverticulum (pars hepatica). 



l' v - tr., liver rrabeculae. 



Ig. d., lung diverticulum. 



md. a., 



m. b., 



m. and 1. t ., 

 m. c-., 

 mi's., 

 Mies. \es ., 



nicso., 



mil.. 



m., 



in. i 1 ., 



IllVe., 



m.vt., 



Hep., 

 n. t., 

 neur., 



op. v.. 



lit., 

 or. m., 



p. c., 



p. d. mo., 

 p. P- P-, 

 p. p., 

 plir.. 



p. rx. d., 



p. c. t., 



p. Ig. d., 



pr. ch., 

 proc. inv., 

 pros., 

 p. v. mes., 



p. y. s., 

 p. y. st., 



sclt., 



s. t., 

 s. s. s., 



S. V., 



s., 



t., 



tear, 

 thr. d., 

 tr. a., 

 t. imp., 

 t. p. ex. d., 



u. aa. umb., 

 u. vv. umb., 



v. card. a. d.. 



v. card. a. s., 



v. card. c. d., 



v. card. c. s.. 



v. card. p. d., 



v. card. p. s., 



v. c. a., (?) 



v. c. m., 



v. c. p., 



v. ling-f., 



v. oph., 



v. umb. d., 



v. umb. s., 



v. vit. d., 



v. vit. s., 



vv. a., 



w. umb., 



v. pi. 1). w., 



v. pi. h. g., 



v. pi. y. st.. 



v. b., 



v. p. gr., 



v. p. gr. 1 (p. 1.), 



vent., 



nil.. 



y. s., 

 y. st., 



mandibular arch. 



medial branch of a. seg. d. 



medial and lateral tributaries of v. card. p. 



iiirsocardium. 



ineseiicephalon. 



mesonephrie vesicles. 



mesothelium. 



mitotic figure. 



liicnith. 



myoepicardium. 



niyoeuele. 

 myotome. 



nephrostome. 



medullary lube, 

 lieurnnicre I 1 L' 1 ) . 



optic vesicle. 



otocyst. 



oral membrane remnants. 



pericardia! ca\ il.\ . 



position of dorsa! mesentery. 



pleuro-pericardial passage. 



pharyngeal pouch. 



pharynx. 



primary excretory duet. 



principal collecting tubule. 



position of lung divcrticuluin. 



pronephric chamber. 



proctodeal invagination. 



prosencephalon. 



position of ventral mesentery. 



position of yolk-sac. 



position of yolk-stalk. 



sclerotome. 

 septum transversum. 

 sinus sagittalis superior, 

 sinus venosus. 

 somite (1-22). 



tail. 



tear in tissue. 



thyroid diverticulum. 



truncus arteriosus. 



tuberculum impar. 



termination of primary excretory duet. 



union of aa. umbilicales. 

 union of vv. umbilicales. 



v. eardinalis: anterior dextra. 



v. eardinalis anterior sinistra. 



v. eardinalis communis dextra. 



v. eardinalis communis sinistra. 



v. eardinalis posterior dextra. 



v. eardinalis posterior sinistra. 



v. cerebri anterior (?). 



v. cerebri media. 



v. cerebri posterior. 



v. linguo-facialis. 



v. ophthalamicus. 



v. unihilicalis dextra. 



v. umbilicalis sinistra. 



v. vitellina dextra. 



v. vitellina sinistra. 



veins of visceral arches (I-1V). 



vense umbilicales. 



venous plexus of body-wall. 



venous plexus of hind-gut. 



venous plexus of yolk-stalk. 



ventral branch of medial limb of a. sen. d. 



ventral pharyngeal groove (1-3). 



ventral pharyngeal groove 1 -posterior limb. 



ventricular portion of heart . 



villus-like projections of body-wall. 



visceral arch (1-3). 



yolk-sac. 

 yolk-stalk. 



167 



