THE NATURAL HISTORY SURVEY 



199 



they are irregularly scattered over the body. Pulmonary open- 

 ing behind middle of mantle, and genital pore near tentacles. 

 The intestine has four convolutions, and there is a solid internal 

 shell; no^caudal gland."* 



Genitalia: Differing from Limax in having the vas def- 

 erens join the penis at its base, and in the shape of the penis 

 and the genital bladder. 

 77. Agriolimax campestris Binney, pi. xxviii, fig. 13. 



Limax campestris BINNEY, Proc. Bost. Soc. N. H., p. 52, 1841. 



Limax occidentalis J. G. COOPER, Proc. Phil. Acad., p. 146, pi. iii, fig. C, 



1872. 

 Limax montanus INGERSOLL, Bui. U. S. Geol. and Geogr. Surv. of 



Terr., No. 2, Second Ser., p. 152, 1875. 

 Limax castaneus INGERSOLL, 1. c., ed. 2, p. 396, 1876. 

 Limax ingersolli W. G. BINNEY, Proc. Phil. Acad., 1875. 

 Limax campestris, form intermedius COCKERELL, The Nautilus, Vol. 



I II, p. 100,1890. 



Limax campestris, form tristis COCKERELL, 1. c., p. 100, 1890. 

 Limax hyperboreiis WESTERLUND, Sibirien Land och Sotvatten Mbl- 

 lusker, p. 21. 



cr 



FIG. 45. 

 Jaw and radula of AGRIOLIMAX CAMPESTRIS Binney. (Original.) 



Shell: Rudimentary, very small and fragile. 



Animal: With a long and narrow body, terminating pos- 

 teriorly in a short carina and covered dorsally with large, elon- 

 gated tubercles; color blackish, without spots, lighter on head 

 and eye-peduncles; foot whitish, long and narrow; mantle not 

 prominent, oval, ornamented with fine, concentric lines; eye- 

 peduncles not long, cylindrical, the black eyes at their tips; 



*Scharff, Slugs of Ireland, p. 525. 



