NEMERTEANS 1 23 



41. Lineus viridis (Fabr.) Verrill. Southeastern coast of 

 Alaska. 



42. L. torquaUis Coe. Pacific coast of Alaska. 



43. L. riibcscens sp. nov. Monterey Bay and San Pedro, Calif. 



44. L, jlavescens sp. nov. Southern coast of California. 



45. L. fictifrons sp. nov. San Pedro, Calif. 



46. L. wilsoni sp. nov. Monterey Bay, Calif. 



47. L. albolmcatiis sp. nov. Monterey Bay and San Pedro, 

 Calif. 



48. Micrura nigrirostris sp. nov. San Pedro, Calif. 



49. M. verrilli Coe. Pacific coast of Alaska to Monterey 

 Bay, Calif. 



50. M. imprcssa (Stimpson) Coe. Bering Strait; Puget 

 Sound (?) 



51. 3f. alashensis Coe. Pacific coast of Alaska. 



52. Ccrcbratulus hcrculeus Coe. Southeast coast of Alaska ; 

 Puget Sound. 



53. C. margmatus Renier. Southeastern coast of Alaska to 

 southern coast of California ; New England to Greenland ; 

 northern coasts of Europe ; Mediterranean Sea. 



54. C. occidentalis Coe. Pacific coast of Alaska to British 

 Columbia. 



55. C. longiccfs Coe. Yakutat Bay, Alaska. 



56. C. montgo7neryiQoQ. Aleutian Islands, Alaska, to Puget 

 Sound. 



57. C. alhifrons Coe. Southeastern coast of Alaska to 

 southern coast of California. 



Of the above 57 species known from the Pacific coast of 

 North America, only 7 have been recorded in other parts of the 

 world. Of these seven species three — Ccphalothrix linearis^ 

 Tetrastemnia dorsale and Ccrcbratulus margmatus — occur also 

 both on the east coast of North America and in Europe ; three 

 others — Amphiporus angulatus, A. crucntatus and Zygeupolia 

 littoraJls — are found in New England, but are not known from 

 Europe; while a single species — Emphctoncma gracile — is 

 common in Europe, but has not been recorded from the east 

 coast of America. 



