150 MOLLUSCA. 
three on the upper face, the middle one the largest, and two on the lower surface of 
the last whorl, the upper one of which is larger than the others; this agrees with the 
normal number of five bands in HZ. nemoralis, H. hortensis, &c. In the six-banded 
specimen, mentioned by Fischer and Crosse as var. 8, and figured by them (figg. 3 4, c), 
the fourth band seems to be divided into two. One specimen collected by Salvin is 
0, 2, 3, 4, 4, 5, the lower ones very faint. Morelet has also found specimens without 
any band’. 
The rose colour of the aperture in fresh specimens fades sooner or later in preserved 
shells. 
The living animal is described and figured by Fischer and Crosse 1°, from notes 
supplied by Morelet and Bocourt ; the latter states that it is called “ tsibsib” by the 
natives of Vera Paz. | 
Crosse and Fischer? mention a specimen of 54 millim. in diameter; the largest I 
have seen measures 44 millim. 
Pfeiffer 1-4, on the authority of H. Cuming, gives for this species and J. trigono- 
stoma, the locality ‘“ Vera Cruz, province of Honduras”; but, as Fischer and Crosse 
remark 1°, ** Vera Paz” is probably intended. 
The var. stol/i somewhat approaches HT. ghiesbreghti by the above-stated characters ; 
but in its whole aspect, size, and especially in the more vertical position of the aperture, 
it belongs to H. evimia. Perhaps it may be a hybrid between the two species, as only 
one specimen has been found by Dr. O. Stoll. 
[| Vote.—Species incerta. Tate, Am. Journ. Conch. p. 156 (1870), mentions a species 
of Helix, “as largeas H. pomatia,” found at Acota in Nicaragua by Blake. This may, 
perhaps, belong to an undescribed species of this subdivision. | 
22. Helix ghiesbreghti. (Tab. VIII. figg. 1, 1 a-d, 2, 3, 3a, 4.) 
a. typica: basi fusca, fasciis omnibus fuscis, superis 2 seepius confluentibus, pilis pallidis : diam. 53-75 millim. 
(Figg. 3, 3a, 4.) 
Helix ghiesbreghti, Nyst,in Bull. Acad. Bruxell. viii. 1, p. 343, fig. 2 (1841)*; Pfr. Monogr. Helic. 
Vivent. 1. p. 828°; in Martini and Chemnitz, Syst. Conch.-Cab. ed. 2, Helix, 1. p. 319. 
no. 817, t. 56. figg. 1, 2°; Deshayes, in Férussac’s Hist. Nat. Moll. Terr. et Fluv.i. p. 167°; 
Reeve, Conch. Icon. vii., Heli, t. 97. fig. 535°; Albers, Die Helic. (ed. 1) p. 107 (subgen. 
Aglaia) °; Tristram, P. Z.S. 1861, p. 230°; v. Mart. P. Z. 8.1875, p. 648°; Stoll, Guatem. 
Reisen und Schild. aus den Jahr. 1878-83, p. 198°. 
Helix (Odontura) ghiesbreghti (Nyst), Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 245, 
t. 10. fig. 9, pp. 206-210, t. 18. figg. 1-6 (anatomy, radula, jaw) *. 
Macrocyclis (Lysinoé) ghiesbreghti (Nyst), H. & A. Adams, Gen. Moll. ii. p. 208 (1858) ”. 
Odontura ghiesbreghti (Nyst), Strebel, Beitr. Mex. Land- und Siissw.-Conch. iv. p. 37 ”. 
Hab. 8. Mexico: Chiapas ((Ghiesbreght !—). 
N. GuaTEMALA : Coban (Salvin §, Morelet °, Bocourt !, Sarg 12) ; Purula, towards the 
head of the Polochic valley (Champion). 
