vi INTRODUCTION. 
Species repre- Specimens 
Described sented in in Collec- 
valid species. Collection. tion, 
REPTILIA. . 
SQUAMATA. 
SRR. ut anes. ws 1639 1327 11092 
RHIPTOGLOSSA ...... 76 58 544 
LAaOBRTILIA ........- 1893 1413 13524 
EMYDOSAURIA ...... 23 20 250 
OCHEEONTA.. 22 .2%i.-8%5 219 183 1852 
RHYNCHOCEPHALLIA .. 1 1 13 
BATRACHIA. : 
ECAUDATA  wvnncv stan 1146 778 8950 
CAUDATA =... uixs une 130 89 1685 
APGDA  .Chiiscds cae 43 36 176 
Total.... 6170 3905 38086 
The Collection in the Museum is not only the largest but also 
the best-arranged in existence, every specimen in it having been 
carefully examined and classified according to a modern system 
after consultation of the whole literature. 
The Author begs to express his thanks to the following gentlemen 
who have assisted him in the preparation of the Catalogue of Snakes, 
through gift or loan of specimens, or with notes on the types in 
the Collections under their charge :—Professor Vaillant, Dr. Moc- 
quard, and M. Bocourt, of the Paris Museum; Marquis Doria and 
Dr. Gestro, Genoa; Professor Hertwig, Munich ; Professor Ehlers, 
Géttingen; Professor Barboza du Bocage, Lisbon; M. Dollo, 
Brussels; Professor Mébius and Dr. -Tornier, Berlin; Professor 
Boettger, Frankfort/M.; Professor Camerano and Count Peracca, 
Turin; Professor Bavay, Brest; and Professor von Méhely, 
Kronstadt. To his former Chief, Dr. Giinther, to whose initiative 
the publication of this work is due, his best thanks are also now 
offered for the kind encouragement he has bestowed on him for so 
many years, 
G. A. BOULENGER, 
Zoological Department, 
March 27, 1896. 
