512 



CAPT. F. WALL ON SNAKES FROM 



[Dec. 12, 



o 



o 



w. 



Amami. 



1. Tropidonotus pryeri. (3) ^ 



2. Dinodon semicarinatihs. (3) 



3. Ahlahes semicarinatus. (3) ! 



4. Hemihungarus japo7iicus. (4) f 



5. Lachesis okinavensis . (3) 



6. ,, Jiavoviridis. (21) , 



Okinawa. 



1 . Tropid.onotus pryeri. (54) ^^ 



2. Dinodon semicarinatus. (19) 



3. Ahlahes semicarinatus. (1^1) 



4. llemibzmgarus japonicus. (6) I 



5. Lachesis okinavensis. (4) 

 L 6. ,, Jiavoviridis. (20) j 



MiYAKO. 



1. Dinodon rufozonatits. (2) 



2. Lachesis m,ucrosquamatus. (3) 



ISHIGAKI. 



1. Dinodon rufozonatus. (2) 



2. ColvMer schmackeri. (1) 



Iriomote. 



1 . Tropidonotus pryeri. 



2. Dinodon rufozonatus. 



3. Ahlahes hermince. 

 L 4. Lachesis mucrosquamatus. 



Land Snakes 

 Sea Snakes 



37 



234 



461 



52 



Total 



513 



Hitherto the Snakes from the Loo Ohoo Archipelago have 

 been simply labelled " Loo Ohoos," with no special reference, 

 except in a few instances, to the particular islands from which 

 they wei-e obtained {vide Boulenger, Oat. Snakes Brit. Mus. 

 vols, i.-iii.). Thanks to the careful and methodical way in which 

 Mr. Owston has labelled his specimens, more than a usual interest 

 attaches to his collection, for it shows that the distribution of the 

 species in this region is i-estricted to very definite zoological ai'eas. 

 Three such may be recognised by a glance at the above-given list : — 

 (1) The Japanese area, with which the islands of Tanega and 

 Yaku must be included. It will be noticed that all the species 

 from these two islands belong to the Japanese Snake fauna except 

 Lachesis okinavensis, a single specimen of which, curiously enough, 

 was collected in Yaku. (2) The North Loo Ohooan area, com- 

 prising the islands Amami and Okinawa. The six species collected 



