-^Mehvspective CrHicism, ^ 44-5 



collection as possible, and then rolled in strong paper, or any soft material, 

 to protect its edges. 



18. A heavy hammer to break off the specimens from the rock, and a 

 smaller one to trim them into shape, are indispensable. If the larger ham- 

 mer have a pick at one end, it will be found very useful in digging up and 

 flaking off those thin shaly beds which usually contain the best preserved 

 shells, &c. A chisel or two are also desirable. 



19. The recommendation expressed in the instruction No. 1. may be 

 repeated : — That it should be a general maxim with geological collectors 

 to direct their principal attention to the procuring of fossil organic remains, 

 both animal and vegetable. These are always of value when brought from 

 distant countries, especially when their localities are carefully m^^e^'i: 

 but when the rocks contain no petrifications, very small speciaj^:^ fff/e* 

 sufficient. ,>p og'.iji 



*** All boxes to be addressed to W. Lonsdale, Esq. Curatp^iGfO* 

 logical Society, Somerset House, London. . ,' \':\h'n?nq 



^..^partments of the Geological Societt/y Somerspt^^^^q^ ^^^^ : .aldBjjlBV ad 

 OM/ : . Londqn,^^ebmari/ 19. 1830. rij-iibnii liaoo odi *i£9n bnuyl 



lo sLad 10 ^8liq-fo7m§ ^r as^ i gife m , ' i'-' -tbpns iBluoiji^q s^eM .01 



\nR ^nrbnfl "^o i'ukd JriJ m-,-^ Ma hna .buoi ,^^bIo aoiiiiua 



. gniioula? .aldj^^o^^aJTirii^Ip Retrospective €rkimkm\}nhnu\) ** > 39 lod 

 ■ ' , ' •(Vy'-rrf hiv.. ■'■'' ' •hiAiiuq 



■ri{\ Wl^BRAim an4 RUsen'& l^ictufe of Organised i^ftf^retM?!-! object ti^^-^^ft^F 

 incorrect passages in your review of this worky r-i- VoL IL p. 349. ! ' ** 'Ehd 

 lion" lives " only in Africa's burning deserts," This is so far frcaaa bein^ 

 the case, that the lion is also found in the comparatively fig^ jQjiiaij^teijiif 

 Northern India and Southern Africa. — P. 349. " The camels of the Old 

 iW^orld belong to the warmer half of the temperate zone." Are they not 

 found in the torrid zone too ? From what is said (p. 350.) of tlie ox and 

 buffalo, the obvious inference is, that the fonxier is pecuHar to the temperate 

 zones, and that its place in the torrid zone is supplied by the buffalo ; but 

 the ox as well as the buffalo abounds in the torrid zone, and more than 

 one species is found wild in India. " The horse (p. 350.) is" not " fouWd 

 wild in Arabia," neither, I believe, " in Java ; " nor is " the bear" (p. 350.) 

 peculiar " to the coldest half of the temperate zone," three species being 

 found in India and its islands. In the same page (350.), " the dog " is said 

 to extend from the " snow to the torrid zone, terminating with the jackall and 

 hyaena ; " but the hyaena has been properly separated from the genus Canis, 

 and not only are the jackall and it found in the torrid zone, but the 

 wolf and wild dog also. — P. 350. Again, " the cat genus," " towards 

 the middle of the temperate zone, diminishes into the wild cat." The 

 wild cat, however, the very type of our domestic one, I have oftei^ 

 seen in the woods of Southern India. In the same page, the " stork " 

 is oddly enough combined with the " ermine and weasel : " I presum^e; 

 stoat is meant. In the same page, again, " moles " are said to " inhabit 

 both the temperate and torrid zones. " Is this correct ? Again, same 

 page, " porcupines " are not restricted " to the warmest part of the tem- 

 perate zones : " they are common in the south of India, in the torrid zone. 

 A similar remark applies to the wild swine, which is abundant in most paits 

 of India. " Gulls (p. 351.) are" not "peculiar to the northern hemi- 

 sphere." I have two different species, which I brought from the Cape pf 

 Good Hope; Table Bay is full of them. Is it meant (p. 351.) that frogs 

 are more numerous " in the colder portion of the temperate zone " than m 

 the torrid zone? If so, it is a mistaken idea. As to the lizards being 

 " most numerous in the direction of the snow line," yet " belonging chiefly 

 to the torrid zone," I know not what to make of it. " Crabs and shellfish 

 (p. 352.) are met with in the southern hemisphere beyond 80°"! Who 



G G 3 



