Helix Dupetithouarsi Desh. sps. 492, from Point Cypress, Monterey. J. G. C.

Helix exarata Pfeiffer, sps. 920. Mt. Diablo, Prof. Brewer; Santa Cruz, Mr. Rowell.

Helix fidelis Gray, sps. 1135, Humboldt Bay, and mountains near lat. 42°. Prof. Brewer. A black variety; Dr. Frick.

Helix infumata Gould, sps. 880, near Ballenas Bay, Mr. Rowell.

Helix Kellettii Forbes, sps. 856, San Diego, and Catalina Island; the latter a very fine variety. J. G. Cooper.

Helix loricata Gould, sps. 880, near Oakland, Dr. Newcomb.

Helix Newberryana W. G. Binney, sps. 881, Temescal mountains, near Los Angeles, Prof. Brewer.

Helix Nickliniana Lea, sps. 912, near S. F. Bay; common. J. G. C.

Helix sportella Gould, sps. 899, near San Francisco. J. G. C.

Helix mormonum Pfeiffer; San Joaquin Valley, Mr. Gabb; north to Mount Shasta, Prof. Brewer.