et eh a = 
on this point for my Gollengined de Verneuil and von Keyserling, and 
myself, than that of having propounded twenty years ago the name of 
‘Permian’ to embrace in one — series those subformations for 
which no collective name had been pe warar Independently, 
of the re above given, which show the inapplicability of the word 
‘Dyas,’ I trust that, in accordance with those rules of priority which 
guide naturalists, the word ‘Permian’ will be maintained in geologi 
classification 
owanse: the term Dyas, adopted by Dr. Geinitz as the — of his 
memoir, may be open to criticism, it is a pleasure to add that no ene 
memoir in geology does its author more credit or is more vial 
itself. We shall revert to it again with pleasure, as suggested anid 
Ill. BOTANY AND ZOOLOGY. 
1. Botanical Necrology for 1861.—The list includes the following 
names :— 
Ferdinand Deppe, who in connexion with Scbiede collected plants in 
Mexico, died to whom Chamisso and Schlechtendal dedicated the Rubia- 
ceous genus Deppea. 
A, E. Firnrohr, the editor since the year 1843 of the “Flora oder 
cee Zeitung,” of the well-known Botanical Society of Ratisbon. 
Henckel von Donnersmarck, of Prussia, who must have reached a ven- 
erable se as he published an Index to , Willdenow’s Species Plantarum 
in the year 1803, and other of his publications (which were small) are 
half a pe et old. 
Rev. John S. Henslow, Professor of Botany in Cambridge cer : 
born at Tecbeer4 in 1796; died at the rectory of Hitcham, Suffol 
16, 1861. Professor Henslow wrote the treatise on Botany forming pre 
75th volume of Lardner’s Cabinet Cyclopzdia; it was published in 1835, 
and did ee in its day. We are indebted to him, also, for an 
poe 
ry schools, was 
land which i is S felt to be irreparable. Appreciative notices of his 
= were published i in the Athenzeum and in the Gardener’s 
crc "Salm-Dyck (Joseph v, Salm-Rifferscheid- ae died at Nizza, 
is princely con- 
his seat hi we g8th year of his age. 
ine nese et f years ; the cultivation 
vith the Alvé, in 1817, and ending with the Cactee 
fa 1846. ihe good 0 old prince—one of the mediatized at the 
- “ Justhion of the German empire in 1806,—lacked little of being a cen- 
tury plant himself. 
Pray M. nisowrda the author of the Flora Neapolitena; and for 50 
Years director of the Naples Botanic Garden, the Nestor of Italian botan- 
