

I)I».\ 



ireadth ol , liing to the foremost 



than a tliinl of the length of the gland 



hort The stomach (fig. 13b) formed a longisb 

 tudinal folds ol which were distinctly to be seen from without It 

 whitish food "i indeterminable animal nature with a few imbedded lai 

 bling those in the Alcyonia From the hinder end of the stomach the inte- 

 sed the fore end of the liver, bent backwards, and ran a little- sinuous 

 1 It- inner side showed fine longitudinal folds, its cavity was empty. 

 The liver, the outside and inside of which was yellow, was a little hollowed to the left <>i 

 the Stomach, its hinder end that was a little narrower, was rounded; it was 



pened b) a round opening into the stomach. The yellowish biliary 



a length of 2™ , was oil the left side- of tile stomach. 



The heart was situated behind the basal part of the intestine. The blood gland was large, 

 hind the central nervous system, partly covering the stomach, yellowish, 3 n,nl long b) a breadth 

 nd a thickness of o-$ mm . 



The pericardio-renal organ (the renal syrinx) was situated underthe rectum, a little more 

 inwardh than the renal papilla, was melon-shaped, and showed the usual groups of longitudinal folds. 

 The hermaphrodite gland was whitish, and covered with its rather large lobes the uppcr- 

 I and right side of the liver, especially in front; its large follicles contained large egg-cells and 

 bun —-perms. The anterior genital mass waslarge, .|\S n " Ion- by a height of 3'5'" m , and a 



thid t v. .1- situated under and to the right of tin- intestine. The last part of tin- sper- 



matic duct (fig. 14b) was thick, and passed into the short, cylindrical (glans) penis (fig. 14c); this 

 latter, as well as the spermatic duct, was without armature The spermatheca appeared to be- globu- 

 lar, its relation to the spermatocyst (fig. 15), which was filled with sperm, somewhat bent together, 

 long, was not to Ik- determined. The mucous gland was lime-white, at the base- of 

 n a larger, yellowhish gray part (the albuminous gland?). 



D. Ingolfiana var.? 

 PI, Y, Figs. 2m 30. 



bulbus pharyngeus, of a length of 2.25,"', was completely like that in the other 



n, only the end of the radula-sheath projected a little, and the muscular plate on the fore side 



little thicker. The mandibles were a little lighter, and the masticatory edge 



ondary oral cavities were not small, and their opening rather wide; 



On the broad and flat tongue the- sligthly yellowish radula was seen 



of teeth, ill the radula-sheath 2" were found, of which the three hindmost w ere 



t fid' ':; thus the total number of tooth-plates was 31. On each side of the median tooth up 



found. The median teeth were- yellow, the lateral teeth almost colour- 

 : tli- the median teeth ro The median teetli were essentially of the same 



