20 JOHN HAMILTON, M. D, 



■262. P. nigritulus Grav., aterrimns Grav., A 117. — Kadjak, Vancouver, nearly 

 all North America ; all Siberia, Japan, Turkestan, Persia, Caucasia, Asia 

 Minor, Mediterranean countries, Europe, the islands of the Atlantic, 

 ("hili. New Zealand, Australia, etc. ; nearly cosmopolite. 



•263. P. picipennis Maek., C 50 — Sitkha, "California, Massachusetts" (Fauvel). 

 This is united by Dr. Horn, in his monograph, to nigritulus ; but Mr. A. 

 Fauvel. on the authority of a type, says it is a distinct species (Eev. Eut. 

 viii, 116). 



264. P. albionicus M;inn., A 117. — "Alaska, Vancouver, Washington, Arizona" 



(Horn). 



265. Caflus canescens Maek., C 51, Dp, 272. — Afoguak, island of Edgecombe, 



Queen Charlotte Island, Pacific sea-coast to southern California. 



266. C. femoralis Maek., D 118. — Kadjak, Queen Charlotte Island, Pacific sea- 



C(XlSt. 



267. Othius californicus Maun., A 111. — Alaska (LeConte), California. 



268. Baptolinus {Othius) macrocephalus Nord., A 110, C 48, Dp, 272, two va- 



rieties. — Kenai, Chtagaluk, Sitkha, Wrangel, Prince of Wales Island, 

 Stikine River, B. C, Queen Charlotte Island, ? Canada, ? New Hampshire. 

 The examples from Canada and New Hampshire not having the sixth ab- 

 dominal segment of the 'J, emarginate below, as required by Mauuer- 

 heim's de-scription, may belong to another species. 



269. Stenus juno Fab. — Wrangel, Vancouver, Washington, Vermont to South 



Carolina, Texas: Siberia, Caucasia, Europe, Algeria. 



270. S. raontivagrus Heer., brevipennis Maek., pterobrachys Gem. and Har., C 



61. — Sitkha, Wrangel, some of the mountains of southern Europe. (Cau- 

 casia. "This synonymy is verified by the types of Maeklin" (Fauvel). 



271. S. maritimus Mots., C 57. — Sitkha, Wrangel, Vancouver. 



272. S. canaliculatus Gyll., congener Maek., D 124. — Kadjak, Queen Charlotte 



Island, Lake .Superior, Canada, Massachusetts; Siberia, Europe, Algeria. 

 "The synonymy is verified by the type of Maeklin" (Fauvel). 



273. S. adspector Maek., C 58. — Sitkha, Wrangel, Yes Ves Bay, Queen Char- 



lotte Island. 



274. S. parallelopipedus Maek. — Sitkha, under bark; S. insularis \\ Sahib., 



Vega Exp. p. 55, is considered by Mr. I. Sahlberg as very probably syu- 

 onyniou-s. It occurred on the Japanese island, Hiro Sami. 



275. S. cariniceps Maek.,C 60.— Sitkha. 



276. S. immarginatus Maek., D. — The island of Kadjak. 



Note. — Three species, not yet identified, were taken on Wrangel by Mr. 

 Wickham. 



277. Liparocephalus brevipennis Maek., D 122. — Fort Constantine on the 



island of Chtagaluk under sea trash, main land opposite Wrangel ; abun- 

 dant on Queen Charlotte Island. L. cordicollis Lee, from Cape Mendocino, 

 California, so far as the description goes, agrees in every respect with ex- 

 amples of brevipennis, the individuals of which vary much in color and 

 sculpture. The genus, according to Mr. Ca.sey, belongs in the Aleocharini 

 near Phytosus. 



278. Tacliinus maculicollis Maek., C 46. — Abundant in Siikha, Queen Char- 



lotte Island, Vancouver. 



279. T. rufipes DeG., pallus Grav. — Sitkha; Arctic, eastern and western Siberia, 



Dauria, Caucasia, Syria, Europe (Fauvel). 



