217 Dominican Fossils— Maury 53 



Drillia consors Sowerby 

 Plate 8, Figures 15, 16 



Pleurotoma consors Sowerby, Quart. Jour. Geol. Soc. London, vol. 6, 



p. 50, 1849. 

 Pleurotoma consors Guppy, Quart. Jour. Geol. Soc, vol. 22, p. 280, 



1866. 

 Turris {Drillia) militaris Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 



207, 1873. Not D. militaris Hinds, Proc Zool. Soc, p. 38, 1843. 

 Pleurotoma consors Guppy, Quart. Jour. Geol. Soc. London, vol. 32, 



p. 527, 1876. 

 Pleurotoma sp. off. PI. alesidota (Ball) var. macilenta Toula, Jahr- 



buch der K — K. Geol. Reichsanstalt Wien, vol. 61, p. 506, pi. 30, 



fig. 11, 191 1. Not alesidota var. macilenta Dall 1889. 

 Drillia consors Brown and Pilsbry, Proc Acad. Nat. Sci. Phila., p. 



345. I9«- 

 Drillia consors Cossmann, Journ. de Concbyliologie, vol. 61, pp. 20-22, 



pi. 2. figs. 8-14, 1913. 



This shell has a slight resemblance to D. militaris Hinds 

 from Panama; but is very like D. alsidota macilenta Dall 

 dredged by the Blake off Barbados at 103 fathoms. This slen- 

 der deep sea shell is apparently the descendant of our fossil. 



D. consors occurs at Bowden, Gatun, Mindi, and Martinique. 

 The type locality is Santo Domingo. 



Locality. — (Exp'd '16) Zone A, Rio Gurabo at Los Que- 

 mados. (Rather common). 



Drillia He7iekeni Sowerby 

 Plate 8, Figures 17, 18 



Pleurotoma Henikeri Sowerby, Quart. Jour. Geol. Soc. London, vol. 



6, p. 50, pi. 10, fig. 6, 1849. 

 Turris (Surcula) Henekeni Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 



207, 1873. Exclude jaquensis from synonymy. 

 Pleurotoma henekeni Guppy, Quart. Jour. Geol. Soc. London, vol. 32, 



p. 526, 1876. Exclude jaquensis. 

 Not Drillia henekeni Cossmann, Journ. de Conchyliologie, vol. 61, pi. 



3, figs. 10, 11, 1913. {=-D '. fusiformis Gabb). ■ 



Colonel Heneken's name was erroneously thought to be 

 Henekeri when he sent his first collection to the Geological 



