GLANDINA. 49 
of Vera Cruz into that of Panama. The central plateau of Mexico seems to be 
essentially poorer in this genus than the rich eastern slope; whereas in Guatemala 
the northern limestone regions are even richer than the volcanic slopes to the Pacific, 
and have generally the same species. 
Geographical Distribution of the American Continental Species of Glandina. 
Southern States of N. America 
N.E. Mexico 
N.W. Mexico 
Central Mexico . 
E. Mexico 
S.W.& 8S. Mexico (Guerrero, Oaxaca, 
Tehuantepec) 
Chiapas 
Tabasco 
Yucatan . Loe 
N. Guatemala (limestone) . 
Central Guatemala (metamorph.) . 
S. Guatemala (volc.) 
Honduras 
Salvador . 
Central Nicaragua . 
W. Nicaragua 
Costa Rica 
EK. Panama 
Colombia . 
Venezuela 
Guiana... 
Ecuador, E. Per 
Bolivia 
? Brazil . . . . . 
BIOL. CENTR.-AMER., Te 
« 
truncata (incl. parallela & bullata), (?) vanuxemi, 
corneola, texasiana. 
longula. 
liebmanni var. insignis, mazatlanica, excavata, albersi, 
(2) turris. . 
coulteri, liebmanni, audebardi (a), fischeri, sayulana. 
vanuxem (incl. var. guttata), sowerbyana, coulteri, 
tenella, audebardi (a, b, c), longula var. jalapana, 
(?) filosa, orizabe, lineata, monilifera var. pulcher- 
rima, ? difficilis, gracilis, cordovana, delicatula, con- 
ferta, speciosa, ambigua, nana, stigmatica, marga- 
ritacea, modesta, perpusilla, 
indusiata, vanuxemi, sowerbyana, cuneus, liebmanni, 
cognata, radula, audebardi (a, d), lanceolata, pseudo- 
turris, simplex, decidua, turgida, multispira, conferta, 
monilifera. 
ghiesbreghti, monilifera, pulchella. 
(?) cumingi (a,b). 
carmenensis, largilliertt. 
sowerbyana, aurata, fusiformis, decussata, cumingi (b), 
largillierti, monilifera. 
aurata, pinicola. 
carmenensis, sowerbyana, fusiformis, cumingi (a, b). 
cumingt var. rubromarginata, carmenensis. 
no species known hitherto. 
cumingi var. rosea & var. flavida. 
obtusa. 
sowerbyana, (?) aurata, cumingi var. rubromarginata, 
(?) isabellina, (?) largilkerti, aurantiaca, anomala, 
mitriformis. 
sowerbyana. 
stiibeli, striata, isabellina (Strebel, nec Pfr.), ornata, 
lucida, plicatula. 
plicatula, subvaricosa. 
striata, fulminea. 
striata, cylindrus, saccata. 
striata. 
striata. 
rr. and Fluviat. Mollusca, Apri/ 1891. 7 
