92 



BUI.LKTIN 39 



264 



bluntly pointed; 1-3 or less the total length. 



Olivella liinonensis and variety bocas- 

 ensis, n. sp. and var. 

 BB. Shell with a longer spire, often sharply point- 

 ed, 



C. Shell rather broad, with a heavy cal- 

 lus about the upper part of the inner 

 lip and extending partl}^ over the pen- 

 ultimate whorl. Length 12 mm. plus. 

 Olivella mtiticoides Gabb. 

 CC. Shell slender, with a long, pointed 

 spire; callus about the upper of the 

 inner lip, slight. 

 Olivella Boussaci Cossmann, var. 

 Olivella goliath, n. sp. Plate 7, figures 22, 23 



Shell large, vvdth a long, pointed spire of about >^ of the to- 

 tal length of the shell; whorls about 6, with plain, nearly straight 

 profile; sutures linear; last whorl vv^ith the greatest convexity 

 about the middle; aperture subelliptical, broadest in front; in- 

 ner lip wath a thin, flat callus and with 3 small plaits below. 



Length 26, diameter 10, last whorl 20, spire 13 mm 

 23 8.5 18 12 mm 



An unusually large species, represented by two specimens 

 from Red Cliff Creek and Banana River. Its general form is that 

 of O. iiidevisa Gupp}^ and O. Boussaci Cossmann, but nearly 4 

 times as large. 



Gatun Stage: Baiiana River. 



Coll. 5, Red Cliff Creek, C. R. 



Olivella muticoides Gabb Plate 7, figures II, 14, 17, 18 



Oliva muticoides Gabb, 1S73, Trans. Amer. Phil. Soc, vol. 15, p. 



215- 



Olivella mutica variety muticoides Dall, 1890, Tarns. Wagner P'ree, 

 Inst. Sci. , vol. 3, pt. I, p. 45. 



