COLKOPTERA OF ALASKA. 15 



169. Ochthebius Holmbergi Maek., D 83, two vatieties.— Abumlant in stag- 



nant water on the coast of Keuai, California, Nevada, Colorado, (Canada. 



170. Berosus maculosus Mann., tessellatus \\ Mots, {catalogue name), D, 85.— 



Island of St. Geoi-ge, TTnalaschka. 



171. Hydrobius fuscipes Linn., seriatus, insciUptus. regitlaris Lee, D 84. — Fort 



Nicolas (Kenai), (iiieen Charlotte Island, British America and the United 

 States, but is not recorded in the .Atlantic region southward from Virginia ; 

 Kamtschatka, .Siberia, Turkestan, Europe. 

 17:2. Cercyon flmbriatus Mann., C 120, Dp, 272. four varieties. — Kadjak, under 

 sea-drift on the coast of Edgecombe, Queen Charlotte Island, "Alaska to 

 San Diego, Cal., under sea-weed," Horn. ? Arizona (Ulke). 



173. C. lunigerus Mann., D 86, two varieties. — Kadjak, ChtagaUik, Edgecombe, 



under stercor. " Alaska to California, probably a sea-coast species'" (Horn). 



174. C. fulvipennis Mann,, C 119. — Sitkha in stercore bovino, Wrangel. " Alaska 



to Washington and California" (Horn). 



175. C. lateralis Marsh., limbatus Maun., A 189, D 87, four varieties. — Island 



of St. Paul, Chtagaluk, Kadjak, Keuai. Sitkha. "Coast regions of Cali- 

 fornia" (Horn). Arctic Siberia, central and northern Europe to Lat. 67°. 



176. C. adumbratus Mann., A 190, Dp, 272, two varieties. — Chtagaluk, Sitkha, 



Wrangel, Queen Charlotte Island, Vancouver, Washington. 



177. Megasternum posticum Mann , C 121, two varieties. — Sitkha. " Alaska 



to San Francisco" (Horn;, San Diego. 



178. Cybocephalus? unicolor Mots., C 102, D, separat. p. 110.— Sitka. 



PL AT YPSYLLID^ . 



179. Platypsyllus castoris Ritsem. — Alaska, Nebraska, Texas, Hudson Bay 



region ; France. 



SILPHID^. 



180. Necrophorus guttula Mots., Mann., f auripilosus Esch., hecate Bland, C 



91. — Sitklia, California, Colorado. 



181. N. pustulatus Herschel, tardus Mann., D 89.- -Sitkha. "Atlantic region 



from the New Euglaud States to Texas" (Horu); var. nigrita Mann., A 

 168. "Middle California southward to the peninsula and Guadeloupe 

 Island and eastward through Arizona to Texas" (Horn); var. inaritimns 

 Mann., A 169, three varieties, Vancouver; var. infodiens Mann., D 90, 

 Unalaschka, Kadjak; var. pollincior \\ Mann., D 88, Atkha; labiatus 

 Mots. (Coleop. Amur, 1860, p. 126), Sitkha; Melsheimeri Kirby, and con- 

 fossor Lee. are other varieties; Melsheimeri occurring in Alaska, Queen 

 Charlotte Island, and eastward to Hudson Bay, and southward to Colorado, 

 Oregon and California. The distribution of the species is all America 

 north of Mexico. 



182. N. vespilloides Herbst, mortuorum Fab., defodiens Mann., pygmxus, hebes 



K'lrhy , poUmctor Lee, conservator Walker. Variable in color, like pustu- 

 latus. The species extends from Alaska and Queen Charlotte Island to 

 Nova Scotia; Kamtschatka, Siberia, couutries of the Amur, China, Eu- 

 rope ; var. defodiens B 10, D 91, three varieties occur in Sitkha and Kadjak ; 

 var. mortuorum D 92, on the Kwichpakh (Yukon). 



TRANS. AM. ENT. SOC. XXI. JANUARY, 1894. 



