AS : * 
156 Scientific Researches. 
. Jackson.—March 18, page 115. A new genus of plants, Darbya, of the order 
fede: Asa Gray.—Page 118. On the supposed identity of the Anas penell 
ae “ope a and A. americana, and on the structure of the Tetrao cupido;'8. Cabot, Jr. 
se ProcEEpines OF THE Aéapemy or Narurat Sciences or Px Laut hae 
iii; 1846. Fe br 24, page 19. New “Pevonian, Tertiary, Silurian and: 
is fossil shells; T. A. Conrad ; (genera, Cerithium, Tellina, Eulima, me 
tomia, Delphisiniay. Bulla, qe Pots Seleaiag Myodora, Ampullaria, Cancell i 
Z pe gre icity ‘Turbinolia, Madrepora, Monotis, Avicula, Strophomena.)—Page _ 
” 
rn — ; Osteodesma, Solectirtus, Lucina, Corbula, Pallia, mie | 
Maiteinclla, va, Trochus, Bulla, Crepidula, Déiniiffinmn: )—March 3, page 33. A 
fossil Asterias, with a figure, from Cincinnati, Ohio; Prof. Locke.—Page 34. On * 
ees of level between the waters of the Gulf of Mexico and those of the 
Atlantic ; E. Harris.—Page 41. On the fossil Squalide of the United’ States, (37 
4 species) ; R. W. Gibbes.—Page 44: On the Birds of Upper California; W. Gambel. 
xD Macazine or Naturat History, April; 1846, No. 112. On the 
2 and descriptions of new genera; G. de:Notaris.—On the genus 
c nidez) ; J. Walton.—On thewBritish al C. .C. Babington.— 
, Ke. of the simple Ascidvasts 5 M. Van eden Development of 
Chara on Mules —Oa e i = Alle G. os K. Thwaites: 
of Chara ; 6. Maro Serlestaghie fanaa 
casas. 
, oh ai remepehoons from Malacea; T- mi 
= “4 a on of ‘a Melog ih; Phage of the Gal- 
— ol oological Society, New Nerite, from 
ie : "Ae Récluz idl oe Camaane* col # 
No. iT. ‘yaoptiga! table of Entonos'eo j 
x by M. - Creplin.—Review of works and me — 
. an 3 
‘moirs on ns, of rhe! Ae : 
- iOife! on Birds, for the year Wagner—No. iv, 1845/ € Cryptorhyiehas 
_ Lapathi, with a plate; Prof. Schwagieh’nsciNew it with me 
* Philippi.—A ppendix to a Conspectus of birds, by J.J. von ! _ 
y= 
. 
‘4 
jew of 
memoirs on mer Arachnida mt Caen i 
‘OF tue Rovat Acapemy oF or Bunt; (Beri rch te Mos inbe 
" Polite and at ng. pa with some new. pels Hr. neal 
(Leipzig, w of European Lep ay C.F. 
