64 MOLLUSCA. 
All the synonymy quoted seems to refer to one specimen, figured by Reeve and 
probably not full-grown ; long. 26, diam. 10, apert. 13 millim. It somewhat resembles 
in form G. simplex, but differs from it by the rather distinct marginated suture and 
spiral strie. 
G. isabellina, var., Angas, P. Z.S. 1879, p. 480, from the hills of Costa Rica, not 
being figured, remains somewhat doubtful. 
G. isabellina (Pfr.), Strebel, Beitr. Mex. Land- und Siissw.-Conch. ii. p. 46, t. 6a. 
fig. 40, from Colombia, is quite distinct from the G. isabellina of Pfeiffer and Reeve. 
16. Glandina longula. (Tab. IIT. figg. 9, 9a, 10.) 
Glandina longula, Fischer & Crosse, Miss. Scient. Mex., Mollusca, i. p. 111, t. 6. figg. 6,6a°; 
Strebel, Beitr. Mex. Land- und Siissw.-Conch. ii. p. 11°. 
Oleacina (Glandina) longula (Fischer & Crosse), Pfr. Monogr. Helic. Vivent. viii. p. 333°. 
Hab. N.E. Mexico: Rio San Juan (Bland +). 
Var. jalapana. (Figg. 9,10.) Major, fulva, columella modice arcuata. 
Hab. E. Mexico: Misantla and Jalapa (Hoge; F. D. Godman). 
The form jalapana may be only a variety of G. audebardi ; but it is distinctly more 
elongate, the sculpture is somewhat stronger, and the colour more intense. The 
measurements of the three full-grown specimens collected by Herr Hoge are :— 
(a) long. 42, diam. 194, apert. long. 26 millim. (fig. 9). 
(6) ,, 54, ,, 20, » 25 .,, (fig. 10). 
(c) 5 5d, 4 9, - 26, 
a is from Misantla and approaches the type of longula also by its yellowish colour ; 
b and c are from Jalapa, and are reddish-brown in colour. 
17. Glandina pinicola. 
Glandina plicatula, var. y. pinicola, Fischer & Crosse, Miss. Scient. Mex., Mollusca, i. p. 95, t. 2. 
fig. 12+; Strebel, Beitr. Mex. Land- und Siissw.-Conch. ii. p. 20°; Pfr. Monogr. Helic. 
Vivent. viii. p. 331, footnote’. 
Hab. CENTRAL GUATEMALA: Totonicapam, in pine-woods (Bocourt 1°). 
The authors regard this form as a variety of G. plicatula, Pfr., which lives in 
Colombia and Venezuela. Considering the measurements and the figure (the diameter 
of the shell much smaller than half its length, the aperture occupying somewhat more 
than half the length), I am rather inclined to accept it as a distinct species from that 
living in South America, of which several specimens are before me, the diameter of 
these being two thirds of the length, the aperture nearly half the length of the shell; I 
have not, however, seen an example of the Guatemalan G. pinicola, so am unable to 
compare the two forms more precisely. 
