LIST OF PLATES. 
Prats I, 
Fig. 1. Helminthophis petersii, Blgr., p. 6, x 8. 
2. —— guentheri, Blgr., p. 6, x5. 
Typhlops beddomii, Blgr., p. 18, x 6. 
. —— leucomelas, Blgr., p. 18, x 4. 
—— jerdoni, Blgr., p. 19, x 4. 
—— leucoproctus, Blgr., p. 20, x 6. 
a. Upper view of head; 0. Side view of head; c, Lower 
view of head; d. Lower view of tail. 
POR w 
Prate II. 
Typhlops comorensis, Blgr., p. 21, x 5. 
. —— socotranus, Blgr., p. 21, x 5. 
—— oatesii, Blgr., p. 23, x 4. 
—— torresianus, Blgr., p. 34, x 3. 
—— blanfordii, Blgr., p. 39, x 3. 
—— boetigeri, Blgr., p. 39, x 4. 
a. Upper view of head; }. Side view of head; ¢, Lower 
view of head. 
Pe'Pr Se Pr 
Prats ITT. 
Fig. 1. Typhlops regina, Bigr., p. 35, x2. 
2. —— exocesti, Bigr., p. 36, x 4. 
3. —— affinis, Bigr., p. 49, x8. 
