igoo] Lambe — Catalogue Marine Sponges. 157 



21. Esperella occidentalis, Lambe. 1893. 



Described in Transactions, Royal Society of Canada, vol. XI, p. 28, pi. ii, 

 figs. 6, 6a— e; type in museum of the Geological Survey of Canada. 

 Tpye locality — Gulf of Georgia, near Comox, Vancouver Island, B.C. 



22. Esperella modesta, Lambe. 1894. 



Described in Transactions, Royal Society of Canada, vol. XII, p. 118, 

 pi. iii, figs. I, I a — d; type material in the U. S. National Museum at 

 Washington, D.C., and in the museum of the Geological Survey of 

 Canada. 



Localities from imhich material 'i.i<as first examined — Chika Island, Akutan 

 Pass; Simeonof Island, Shumagin Islands. 



Distribution — Behring Sea and North Pacific Ocean ; Gaspe coast, Gulf 

 of St. Lawrence (18). 



23. Esperella Fristedtii, Lambe, 1900. 



Described in Transactions, Royal Society of Canada, second, series, 

 vol. VI, p. 21, pi. i, flgs. 2, 2a — h ; specimens in the U. S. National 

 Museum at Washington, D.C., and in the museum of the Geological 

 » Survey of Canada. 



*- Distribution — Davis Strait. 



Foreign locality— V\/ esi from Taimur Peninsula (Fristedt); the specimen 

 from this locality was referred to Carter's species Esperia ctipressi- 

 || formis (la, p. 457). 



24. Esperella minuta, Lambe. 1900. 



^ Described in Transactions, Royal Society of Canadi^ second series, 

 vol. VI, p. 23, pi. i, figs. 3, 3a — c ; type in the U. S. National 

 Museum at Washington, D.C. 



a Type locality — Davis Strait, off Cape Wild. 



25. Esperiopsis rigida, Lambe. 1892. 



Described in Transactions, Royal Society of Canada, vol. X, p. 68, pi, iii. 

 fig. 4, and pi. v, figs. 3, 3a — g ; tj^pe in museum of the Geological 

 Survey of Canada. 

 jf Type locality— E.ntra.T\ce to Malaspina Inlet, B.C. 



26. Esperiopsis Vancouverensis, Lambe. 1892. 



Described in Transactions, Royal Society of Canada, vol. X, p. 68, pi. iii, 

 fig. 5, and pi. V, figs. 4, 4a — d; type specimen in museum of the Geo- 

 logical Survey of Canada. 



Type locality— West coast of Vancouver Island, B.C., north of Quatsino 

 Sound. 



