ÖFVEKSIGT AF K. VETENSK.-AKAD. FÖRHANDLINGAR 1900. N:0 1. 19 



only a young specimen having been caught in the southern part 

 before by Dr. Grimm. 



P. bilamellata G. O. Särs. 



(Stat. 5 and 7.) 



Depth: 2 sashen; mixed bottom and among algse. 



P. eercaroides G. O. Särs. 



(Stat. 7.) 



Depth: 13 feet; among algae and shells. 



P. gracilis G. O. Särs. 



Baku. 



Depth: 7 sashen; dead shells etc. This form was hitherto 

 only known from the northern parts of theCaspian Sea and 

 from the Bay of Karabugas. 



Boeckia spinosa Grimm. 



(Stat. 9.) 



Depth 8 sashen, dead shells and mud. 



Gmelina costata Grimm. 



(Stat. 5, 7, 12, also at Kulali among algae and ibidem on 

 bait [seal-meat] sunk down in the sea.) 



Depth: 13 feet — 24 feet; chiefly found among algse. 



G. pusilla G. O. Särs. 



(Stat. 7.) 



Depth: 13 feet; among algse. It seems as if this species 

 hitherto only was known from one specimen. 



Amathillina cristata Grimm. 



(Stat. 2, 3, 5, 7, 9, 11, 12, also at Kulali among algse and 

 ibidem on bait.) 



