1915.] 



XEUEOTKICHTJS GIBBSII HYACINTHLNUb. 



97 



paragraph, and at best can be considered only an approach toward 

 JiyacintMrius; nor does the second lower premolar differ essentially 

 from that of gihhsii, since it can be matched almost perfectly in any 

 large series of the genus Neurotrichus from any locality. 



Five specimens examined from Eureka, CaL, are hardly adult, 

 but are provisionally referred to gihhsii on account of color and 

 size of skull; when a larger series of specimens, with more adults, is 

 available from this region, a change of decision may be necessary. 



Spedmens examined. — Total number, 146, as follows: 



British Columbia: Chilliwack Valley, 6; Douglas, 1;^ Howe Soimd, 3; Lang- 

 ley, 1; Sumas, 72; Tammi Hy Creek (Chiiliwack Valley), 1;^ Tliurstons, 2.* 



Calif omia: Areata, 1;^ Beswick, 1; Carberry Ranch, Shasta Coimty, 3; Crescent 

 City, 2; Eureka, 5;^ Hoopa Valley, 1; Mount Shasta, 4; Salmon Mountains 

 (near Etna Jtlills), 1; South YoUa Bolly Mountain, 1;^ Tower House, Shasta 

 County, 2; 2 Trinidad, 3.2 



Oregon: Anna Creek, Mount Mazama, 1; Astoria, 1; Crater I^ke, 1; Elk Head, 1; 

 Eugene, 1; Fort Klamath, 4; Goldbeach, 1;^ McKenzle Bridge, 1; Multnomah 

 Falls, 1; Salem, 1;* Seaside, 1; Siskiyou, 1; Vida, 2; Yaquina Bay, 3. 



Washington: Kirkland, 1; Lake Cushman, 4; Mount Rainier, 2; Mount Vernon, 

 3; Neah Bay, 1; Seattle, 1; Steilacoom, 2; Tenino, 1; White River, Cascade 

 Mountains (type locality), 1. 



NEUROTRICHUS GIBBSII HYACINTHINUS Bangs, 



Southern Gibbs's Mole. 



(PI. VI, figs. 2, 2a, 2b, 23.) 



Neurotridius gihhsi hyacinthinus Bangs, Amer. Nat., vol. 31, p. 240, Ma^ch, 1897. 

 Neurotrichus gihhsii hyacinthinus Miller & Rehn, Proe, Boston Soe. Nat. Hist., voL 



30, p. 254, December, 1901. 

 NeurotricJius gihhsi Tiijadnthinus Elliot, Field Columb. Mus., publ. 105, zool. series, 



vol. 6, p. 467, 1905. 



Neiirotrichus gihhsii hyadnthiniLS llilleT, U. S. Nat. Mus., Bui, 79, p. 11, December 31, 

 1912. 



Type locality. — Nicasio, Marin County, California. 



Type specimen. — No. 1240, Mus. Comp. Zool., Harvai*d College, 

 Bangs collection; 9 adult, skin and skull; collected Marcli 10, 1894, 

 by C. A. Allen. 



Geographic range. — Coast region of California from Cuddeback, 

 Humboldt County, south to Fremont Peak, Monterey Comity. 



General characters. — Larger than N. g. gihhsii; color usually slightly 

 darker; skull larger, relatively wider through braincase and rostrum, 

 with more angular mastoid region. 



Color. — Much like that of N. g. gihhsii but averaging darker; 

 usually blackish mouse gray or dusky neutral gray; often almost 

 black, especially in fresh pelage; in full unworn pelage sometimes 



I Collection Victoria Mem. Mus. a CoHection Field Mus. Nat. Hist. 



» Collection Mus. Vert. Zool., Univ. California.. * Collection Amer. Mus. Nat. Hist. 



90549°— 15 7 



