CENTRAL PROVINCE SPECIES. 163 



HaMtat. — Sitka, Alaska Territory, ou the rocks near tide-marks, 

 especially on the small islets in the bay. (Dall.) 



Onchidella iorealis, Dall, August, 1866, Am. Jouru. Couch., vii, 135. — W. G. Binney, 

 TeiT. Moll., V, 179. 



Found from Prince William's Sound to Vancouver's Island, by Mr. 

 Dall, to whom I am indebted for specimens, one of which is figured on 

 p. 161. 



For jaw and lingual membrane and figure of the animal see above. 



Oiichidciln Csirpenteri, W. G. Bixxey. 

 Body oblong, with its extremities circularly rounded; the upper sur- 

 face is regularly arched ; below, quite near the edge, the fig. iso. 

 border of the mantle is readily distinguished; most of ^i^ 

 the under surface is occupied by the broad, distinct, loco- 

 motive disk ; the body is uniformly smoke-colored ; in size Tk carjyenteri. 

 the individuals vary considerably, the length of the largest being 5'"'", 

 the extreme breadth 3'"'". 



Onchidium Carpenferi, W. G. Binney, Proc. Ac. Nat. Sc. Phila., 1860, 154 ; L. & Fr.-W. 

 Sh. of N. A., i, 308, fig. 545 (1868). 



Strait of Fuca to Gulf of California. A species of the Pacific Eegion. 



No jaw found. 



Lingual membrane as in 0. horeaUs. 



i c. Species of the Central Province. 



It must be borne in mind that the universally distributed species also 

 are found in this i)rovince, and several small s^Decies also found in the 

 Sierra Nevada (see ante). 



Family LIMACID^. 



Liiiiax. (See below.) 

 Liiniax iiiontanus, Ingehsoll. 



Color bluish-gray. Form stout, with blunt posterior extremity. 

 Length exceeding 1 inch. Hot Sulphur Springs, Col. 



Umax montanus, Ingersoll, Bull. U. S. Geol. aud Geogr. Survey of the Territories, No. 



2, secoud series, 132 (1875); ed. 2 (1876), 394, figs. —W. G. Binney, Terr. 



Moll., V, 152. 

 Limax casianeiis, Ingersoll, 1. c, e d. 2, 396. 

 Limax Ingersolli (see below). 



The above is Ingersoll's deseription. Specimens received from him 

 furnish the anatomical details here given. 



