BRISSOPSIS ATLANTICA. 203 



Brissopsis pacifica. 



Toxobrissus paciflcus A. Agassiz, 1898. Bull. M. C. Z., 32, p. 83. 

 Brissopsis pacifica Mortensen, 1907. Inoolf Ech., pt. 2, p. 168. 



Plate 155, fig. /. 



The following stations extend the known range of this species considerably 

 to the northward and into much shallower water. It was previously known 

 from the Gulf of Panama and near Lower California in 182-782 fms. The 

 specimen figured is the largest example of this species I have seen, and its peta- 

 loid area is relatively the smallest. 



Station 2925. Off southern California. Bott. temp. 42.9°. 339 fms. M. 



Station 2936. Off southern California. Bott. temp. 49°. 359 fms. M. 



Station 2952. Off southern California. Bott temp.? 57 fms. Brk. sh., r. 



Station 2973. Off southern California. Bott. temp. 54°. 68 fms. Gn. m. 



Station 2979. Off southern California. Bott. temp.? 388 fms. Gn. m. 



Station 3018. Gulf of California. Bott. temp. 63.3°. 36 fms. Gy. s., 

 brk. sh. 



Station 3031. Gulf of California. 



Station 3034. Gulf of California. 



Station 3035. Gulf of California. 



Station 3037. Gulf of California. 



Bathymetrical range, 20-388 fms. Extremes of temperature, 65.2°-42.9°. 



Eighty-two specimens. 



Brissopsis elongata. 



Mortensen, 1907. Ingolf Ech., pt. 2, p. 163. 



This species is recorded only from Puerto Cabello, Venezuela, and from the 

 west end of Porto Rico in 25 fms. 



Brissopsis atlantica. 



Mortensen, 1907. Ingolf Ech., pt. 2, p. 160. 



There are numerous specimens of this species in the M. C. Z. collection 

 from various stations along the southeastern coast of the United States. 

 Recently (1913. Mitt. Zool. Stat. Neapel, 21, p. 29) Mortensen has recorded 



