CHARACTERISTIC FORMS OF UVINCi NON-JIARINE MAMMALS. 411 



6. Families or Characteristic Forms peculiar to the New World, and found 

 IN both South and North America. 



Note.— Almost all large and important families, embracing many genera and many species. 



Plat.vrrliine Monkeys Eacoons Sigmodontes 



Galictis Teccaries Hesijeromys 



Skunks Ai-madillos Reithroaon 



Coatis Hystricidfe * Opossums 



. A species of porcupine (Erethizon rufescens Gray) has been lately obtained in Columbia, wbich Dr. Gray considers an 

 Erelhizon, an opinion in which I do not concur. 



7. Families or Characteristic New World Forms found in South America, and not in 

 North America ; and in North America and not in South. 



Note. —All single genera. 



I. In North, and not in South America. 



Condylura Scalops Blavina 



Cynomys Erethizon ? 



XL In South, and not in North America. 

 Note.— All, with one exception, families or genera, consisting of a considerable number of species. 



Slotijs* Solenodont Cavies, Chinchillas, Octodous, Agoutis 



Ant-eaters PhyUostoraaJ Echiniyina§ 



* One found in Costa Eica may be said to have passed the boundai-y of S. America. t In Cuba. 



: Also found in Central America and West Indies. § Two found in Africa. 



VII. Letter erom Wm. Gifford Palgrave, Esq., 



AUTHOR OF " JOURNEY IN CENTRAL AND EASTERN ARABIA," ETC. 



TUh lelier was received tun Ule t„ allow the information contained in it to be embodied in the precedinij payes. hut is printed hereby per- 

 mission or his brother. It will he seen that the resnlts which he snuyeslsfrom experience and personal observation very nearly 

 correspond with those at which I had arrived by reusonimj from the less extended premises which we already possessed. 



" Cairo, 14 Mai/, 18G6. 



" Your letter of the 2nd April reached Egypt at a time when 1 was absent hence up the Nile, and 

 was only delivered to me on my return a few day.s ago. This circumstance must apologize for my not having sooner 

 replied to your varied queries. 



" Some of these 1 must indeed, owing to the limitation of my own knowledge, leave without a satisfactory answer ; 



others are fortunately more within my range. 



" The limits of the monkey-tribe run, to the best of my knowledge, south of Nejed ; at least, I neither saw nor 



