ASPIDOSIPHON CYLINDRICUS. 



195 



NOTE XXVII. 

 ASPIDOSIPHON CYLINDRICUS, N. SP. 



BY 



Dr. R. HORST. 



FiK. 1. 



Fig. 2. 



Fig. I. A. cyl'mdricus from the lateral 

 side (X 2). Fig 2. The animal laid 

 open by an incision along the right 

 side (X 2). Fig. 3. A hook from the 

 basal part of the proboscis (x 215). 

 Fig. 4. Two hooks from the terminal 

 part of the proboscis (X 375). 



Among a small collection 

 of Invertebrates, recently col- 

 lected by Mr. K. Schadler in the 

 neighbourhood of Kisser,! met 

 with a gephyrean worm, be- 

 longing to the genus Aspido- 

 siphon. Though we kuow 

 already several species of this 

 genus from the Malay Archi- 

 pelago, thanks the careful in- 

 vestigatons of Dr. Sluiter, du- 

 ring his stay at Batavia V), the 

 present specimen could not 

 be identified with one of them. 



The body of our specimen 

 (fig. 1) has a nearly cylindrical 

 shape; it measures '^^j^vam.. 

 in breadth, its length being 

 about eight times greater 

 (26 mm.). The colour of the 

 body is brownish-yellow, that 

 of the anal and terminal 

 shields dark brown, almost 

 black. In the anterior half 



1) Beitrage zu der Kenntniss der Gephyrëen a. d. Mai. Archipel; Natuurk. 

 Tijdschrift voor Ned. Indie, Dl. XLI, XLIII, XLV. 



Notes from the Leyden Miuseum, "Vol. XX. 



