SOME NEW DEVON IC FOSSILS 1 87 



to width as four to three. Aperture broadly oval, entire ; inner lip 

 thickened and slightly excavated. Whorls four. Surface smooth 

 or covered with very fine concentric lines. Average dimensions, 

 bight 7 mm, width 5 mm. Distinguished from H. gaspesia 



Holopea wakehami 



by its rounder, more compact form, fuller whorls and more de- 

 pressed spire. This species is in some of its expressions almost 

 a miniature of the common M a c r o c h i 1 u s hamiltoniae 

 Hall of the Hamilton shales of New York. 

 Middle Devonic. Gaspe Basin, P. O. 



Holopea enjalrani nov. 



Small, rotund, Diaphorostoma-shaped shells with greatly ex- 

 panded body whorl and low reduced spire. Whorls two and one 

 half to three, greatly overlapping, sutures not impressed ; aper ■ 



Holopea enjalrani 



ture entire, oval ; base perforate. Surface of final whorl regularly 

 convex and covered with fine regular concentric growth lines. 

 Hight of typical example 10 mm, hight of body whorl 8 mm, width 

 across base 12 mm. 



Lozver Devonic. Dalhousie, N. B. 



Holopea enjalrani var. corrugata nov. 



A shell of the same proportions as II . enjalrani carries a 

 series of rather strong oblique corrugations on the body whorl 

 parallel to the growth lines and somewhat swollen at the top near 



