608 SUPPLEMENT. 
SCHASICHILA (p. 43). 
Schasichila nicoleti (p. 43). 
Schasichila nicoleti, Fischer & Crosse, Miss. Scient. Mex., Moll. ii. p. 451, t. 54. figg. 4, 4a-h°. 
Schasichila pannucea (p. 43). 
Schasichila pannucea, Fischer & Crosse, Miss. Scient. Mex., Moll. il. p. 448, t. 54. fige. 5,5 a’. 
Var. misantlensis. 
Schasichila pannucea, var. 8. misantlensis, Fischer & Crosse, loc. cit. p. 449, figg. 5 6-d". 
Somewhat larger, pale yellowish, summits rose-coloured. 
Diam. 12, alt. 9 millim. 
Hab. E. Mexico: Misantla (Strede/). 
Schasichila alata (p. 44). 
Schasicheila alata, Pilsbry, Proc. Acad. Phil. 1891, p.332"; Fischer & Crosse, Miss. Scient. Mex., 
Moll. ii. p. 447, t. 54. figg. 6, 6a”. 
To the localities given, add :— 
Hab. (FE. Mexico:] Misantla (Strebel 1”); Orizaba (Heilprin *"). 
4. Schasichila fragilis. 
Schasicheila fragilis, Pilsbry, Proc. Acad. Phil. 1899, p. 891’. 
“Differs from S alata and pannucea in the smaller size, more fragile texture, and the very much shallower 
notch at the upper termination of the outer lip.” 
Diam. 6, alt. 44 millim. 
Hab. N.E. Mexico: Diente near Monterey, State of Nuevo Leon (Mr. & Mrs. Rhoads"). 
5. Schasichila vanattai. 
Schasicheila vanattai, Pilsbry, Proc. Acad. Phil. 1899, p. 391". 
‘“‘ Distinct by the strong peripheral keel.” 
Diam. 6—6°8, alt. 4:3-5°5 millim. 
Hab. N.E. Mexico: Diente, with the preceding species (Mr. & Mrs. Rhoads ') 
6. Schasichila hidalgoana. 
Schasicheila hidalgoana, Dall, Nautilus, xi. p. 62 (1897) *. 
Trochoid depressed, with a rather pointed spire ; periphery obscurely keeled. 
Diam. 12, alt. 84, apert. 6 millim. 
Hab. CentrRaL Mexico: Encarnacion, State of Hidalgo (Z. W. Nelson 1). 
Doultful Species. 
Schasichila minuscula. 
Helicina minuscula, Pfr. P. Z. 8. 1859, p. 29°. 
Schasicheila minuscula, Pfr. Monogr. Pneum. Vivent., Suppl. ii. p. 2477; Paetel, Catal. Conch. 
