ov/idrnf> Isqbnhq to zzsm sbaum 



-- .' ',', biorboloM 



< 



ma to nft IjnoJosq JrigiH 



Flo. 94 

 seen froi 



[sqbnitq 1o eesrn sfoaurn [B' 

 ,, bioo [ 



p.Jouh nfifflloW 



ov nornrnoO 



fjiqioniiq to nrt oivfaq itej 

 ^ oyidma ^o auaaij Di 



K oyidrns lo suaeil oiJcqaH 

 ri3Emol2 



bioo Ijin 



K o^idras 1o rio 



,, OBE-ljA 



, , sIlubsM 

 o^idtna 1o nft IfnoJsaq IlsJ 







fe-v 



iftp- iiy 



f triple monster tro 

 i the left side of the principa 

 1 an two vents close togeth 



\ marked keel along 



I the ventral edge membranes of tl 



.f > Moit the right side, and is d* . me msiun ui 



' principal emluyo and to embryo B. 



.. <:! !' ihr composite tail is formed by the lu-ion of the dorsal 

 f ,4 and II. The- specimen is also illustrated in the two 

 ml in PI. VII. figs. 32-34, and PI. XXI II. figs. 97-99. 



suaaij 

 bioo [ 



A 



fusion of 



ii'l Ui! part of the intestine in 

 K>rtions of intestine, and liver out- 

 given under Fig. 94. 



KIG. 



of the 



into ti 



.' 'tpffdifd [jjqbahq to iitun sb^iini In 

 bTOD UniqS 



,, biorfooloK 



,, -{bod nfirftloW 



nomrnoO 



V-. ov/idrns to snijaslnl 



stihaslni to noinoq sri) to i 

 ,,,, Tne & brifi K OJ nomrnoa 



f- \\Olfnan ducts are 

 >ie. The left duct 



^"- <snl)lnu '.\ bn 



1IIXX 



J. F. G. 



PL. XXII. 



