PORPHYROBAPHE. 1G3 



some corneous-yellow, subtranslucent streaks ; glossy, smoothish, 

 sculptured with faint growth-wrinkles and very minute, shallow, en- 

 graved spirals. Whorls 7J, moderately convex, the first 1^ having 

 the minute decussate sculpture of Drymseus. Aperture ovate, oblique, 

 the outer lip thin, well-expanded below, columellar lip very broadly, 

 triangularly reflexed above. 



Length 29^, diam. 13, length of aperture 12J mm. (type). 



Length 30, diam. 13, longest axis of aperture 13 mm. 



Costa Rica (Underwood). 



Bulimulus (Drymceus) inusitatus FULTON, The Nautilus xiv, p. 87 

 (December, 1900). 



Closely related to D. tropicalis Morel, of Yucatan, but differing in 

 color and the distinctly expanded outer and basal margins of the 

 peristome. Figured from one of the original lot. 



D. OBLIQUUS (Reeve). Vol. xii, p. 93. 



Ancey (Le Naturaliste, 1901, p. 93) describes two varieties: Var. 

 monozona Anc. is white, with a median reddish-brow ri band on the 

 last whorl ; from Bahia. Var. pcecilogramma Anc. is from the Pro- 

 vince of Minas Geraes ; length 27 mill. ; the summit is rose with a 

 black dot at the tip ; last whorl ornamented at the suture with a nar- 

 row black band, below which there is a brownish-yellow band, then 

 a wider red zone, followed by another narrow brownish-yellow band, 

 then a quite wide blackish band, and finally around the umbilicus 

 there is a brownish-yellow band, also rather wide. 



Genus PORPHYROBAPHE (Vol. xii, p. 149). 

 P SUBIRRORATUS (Da Costa). PI. 24, fig. 11. 



Shell acuminate-oblong, swollen in the middle, imperforate. 

 Whorls 6, sculptured with very delicate spiral impressed lines (visible 

 under the lens), finely plicate beneath the suture. Columella simple. 

 Chestnut-purple, longitudinally streaked with ashy-brown ; columella 

 blue white ; lip reflexed, rose-colored ; aperture iridescent, lilac. 

 Length 63, diam. 33 mill.; aperture with peristome 34 mill, long, 22 

 wide (Da Costa}. Paramba, Ecuador. 



Strophocheilus (Eurytus) subirrorafus DA COSTA, Proc. Malac. 

 Soc. Lond. iii, p. 83, fig. II (July, 1898). 



'* This species presents a general resemblance in form to S. irro- 



