152 BIOLOGICAL SUEVEY OF 



Class HIRUDINEA 

 Order RHYNCHOBDELLAE 



Glossiphoniidae 

 Glossiphonia Johnston 



G. STAGNALis (Liinie). (Moore, 1918, p. 651.) A few found 

 in Lake Wood. 



G. coMPLANATA (Linne). Moore, 1918, p. 652.) One speci- 

 men taken with the preceding species. 



Order GNATHOBDELLAE 



Hirudinidae 



Haemopis Savigny 



H. GRANDis (Verrill). (Moore, 1918, p. 658.) A few found 

 in Lake Wood and Witch Hole Pond. 



Class 1 GEPHYREA 



The question mark above is to indicate that we do not 

 commit ourselves as to the rank and allocation of this aber- 

 rant group. 



The relative scarcity of our material precluded dissections, 

 and it was therefore not possible to completely confirm certain 

 determinations. 



The best collecting ground was dredging station 150, which 

 is mixed mud and blue clay, at a depth of 210 feet. Most of 

 the species reported occur at this station. 



Subclass SIPUNCULOIDA 



Sipunculidae 

 Phascolosoma Leuckart 



P. GOULDi (de Pourtales). (Andrews, 1890, p. 389, pi. 

 44-47. ) A few adults have been taken, always singly. Found 

 on muddy bottoms, from low water to 210 feet. Stations: 

 D38, 72, 96, 115, 150; S 33. 



