CONTENTS. 
Page 
Art. LX. Insectorum Arachnoidumque novorum Decades duo, 
Auctore J.O. Westwoon, F.L.S., §c. .. 1.2.26.» 440 
ArT. LXI. On a remarkable sexual peculiarity exhibited by the 
Ear-wig, (Forficula auricularia, Linn.) By J. O. West- 
aed RG. POLLS, GOs vem erat sce le wee 8 te 454 
Art. LXII. On Pentatrematites orbicularis, acuta, and pentan- 
gularis, By G.B.Sowersy, F.L.S., §c. ......-. 456 
Art. LXIII. Conchological Notices ; chiefly relating to the Land 
and Fresh-water Shells of the Gangetic Provinces of Hin- 
doostan. By W. H. Benson, Eszq., of the Bengal Civ 
RUNES Elin ce 5 ain 5. ue Sew oO tapas Site eaei Jake (a: a) ieeeRenS 
Art. LXIV. Analytical Notices of Books. 
Naturgeschichte der Stiugethiere von Paraguay, Fe. 
The Natural History of the Mammalia of Paraguay. By 
Dr, J.R. RenecEr. Basel, 1830, 8vo. pp. xvi, and 394. 467 
Nova Acta Physico-medica Academie Casaree Leopoldi- 
no-Caroline Nature Curiosorum. Tomus xv.—Vratislavize 
6 ST SMA be arenes ape tle 7 chee . 472 
ART. LXV. Woitice of some recent Publications on the Chinchil- 
lide. By E. T. Bennett, Esq., F.L.S., Sec. Z.S..... 491 
ArT. LXVI. Scientific Notices... .... BR Nerina sa ne em 495 
