New Publications. 435 



new species of the Tortoise tribe was met with in greatest 

 abundance between 24° and 25° N. lat. 



PI. 8. Varanus albogularis, Dmul. This reptile, which is from 

 four feet to live feet in length, occurs but rarely within the li- 

 mits of the Cape Colony. It is usually discovered in rocky 

 precipices, or in low stony hills, and when surprised seeks con- 

 cealment in the chinks of the former, or in the irregular cavities 

 of the latter ; and when any irregularities exist upon the sur- 

 face of the rocks or stones, it clasps them so firmly with its toes 

 that it becomes a task of no small difficulty to dislodge it, even 

 though it can be easily reached. Under such circumstances, the 

 strength of no one man is able to withdraw a full-grown indivi- 

 dual ; and I have seen two persons required to pull a specimen 

 out of a position it had attained, even with the assistance of a 

 rope fixed in front of its hinder legs. The moment it was dis- 

 lodged it flew with fury at its enemies, who by flight only saved 

 themselves from being bitten. After it was killed, it was disco- 

 vered that the points of all the nails had been broken previous- 

 ly, or at the moment it lost its hold. It feeds upon frogs, crabs, 

 and small quadrupeds. 



PI. 9. Bucephalus viridis, Smith. This beautiful snake, but 

 once met with by Dr Smith, he considers a distinct species of 

 his genus Bucephalus. 



PI. 10. Echinorhinus obesus. Smith. This plate represents 

 a species of a new genus of the Shark tribe. 



The second and third numbers, equally interesting, will be 

 considered in our next. 



3. Arboretum et Fruticetum Britannicumj or the Trees and Shrubs qfBH' 

 tain, native and foreigUy hardy and half hardy, pictorially and botani- 

 cally delineated, and scientifically and popularly described ; with their 

 propagation, culture, and management, and uses in the arts, in useful and 

 ornamental plantations, and in landscape gardening ; preceded by a hiS' 

 torical and geographical outline of the trees and shrubs of temperate cli" 

 mates throughout the world. By J. C. Loudon, F.L. and H.8., &c. In 

 eight volumes 8vo. Illustrated by above 2600 wood-cuts, and 297 fi- 

 gures of Trees and Shrubs. Longman, Orme, Brown, Green and Long- 

 mans, London. 



We have many good books on gardening, but, with exception 

 of Evelyn s Sylva, now antiquated, few or none on the natural 

 and economical history of the trees and shrubs of Great Britain 



