498 MICHIGAN SURVEY, 1905. 



ing a whitish, flattened border. Respiratory orifice large, on the right side, 



one-fourth of an inch behind the origin of the eye-peduncle. Length 3-4 



inches. 



Limax cardlinensis , Bosc, Vers de Buffon de Deterville, 80, pi. Ill, 



fig. 1. 

 T ehennophorns , W. G. Binnev, Man. Am. Land Shells, 241, fig. 



260, (1885). 



. Walker, Rev. Moll. Fauna Mich., 16, (1894). 



Generally distributed in the lower peninsula. 



Genus PALLIFERA Morse. 



Jaw stout, arcuate, ends but little attenuated, blunt; anterior surface 

 with stout, separate ribs. Other characteristics as in Philomycus.' j 



Fig. 97. Jaw of P. dorsrilis. (Binney.) Fig. 98. Jaw of P. hemphiUi. (Binney.) 



Fig. 99. Dentition of P. dorsalis. (Binney.) 



KEY TO THE SPECIES OF PALLIFERA. 



I. Light colored. Jaw with nine ribs dorsalis. 



11. Black. Jaw with five ribs, concentrated on the middle 



third hemphilli. 



PALLIFERA DORSALIS (Binney). 



Color of upper surface ashy, with a shade of blue. An in- 

 Fig 100 p dorsdis terrupted black line extending down the centre of the back; 

 (Binney.) eye peduucles black, about one-eighth of the length of the 

 body; tentacles blackish, very short. Body cylindrical and narrow, termi- 

 nating posteriorly in an acute point; base of foot white, very narrow, its 

 separation from the body not well defined. Upper surface covered with 

 elongated and slightly prominent glandular projections, the furrows be- 

 tween indistinct. Respiratory orifice very minute, situated on the right 

 side, about one-eighth of an inch behind the insertion of the eye-peduncle. 

 The mantle is closely connected with the body. 



Length, 18 mm. 

 Philomycus dorsalis, Binney, Bost. Jour. Nat. Hist., IV., 174 (1842). 



Tehennophorus , W. G. Binney, Man. Am. Land Shells, 244, fig. 



261, (1885). 



