CONTENTS. 
No. XX. 1832—1834. 
Page 
Art. LI. Remarks on the nature of the Respiratory Organs in 
certain littoral Mollusca of Madera. By the Rev. R. T. 
gear ANT, ce Sa alee abate elt he ee . 485 
Art. LII. Description of a Genus of Reptilia of the family 
of Amphisbenide. By Tuomas Bett, Esq, F.R. § LS. 391 
Art. LIII. Description of a new Genus of Reptilia of the family 
Scincide. By Tuomas Bett, Esq., F.R. & L.S., §c. . . 393 
Art. LIV. On the Food and Habits of certain Insects. By 
T. BRIGHTWELL, Esq., F.L.S. 1.000 c2eeees oe 
Art.LV. On the Spiders of the Genus Dysdera, Latr., with the 
Description of anew allied Genus. By RopeRT TEMPLETON, 
Esq. Ina Letter to the Editor... 1... +. eee - « 400 
Art. LVI. Account of several Fishes and other Animals of 
Jamaica. By E.N. Bancrort, M.D. In a Letter to the 
DPNOR soa o-6 vie a Mareys Liaptte Ay aeabpeat ta! 3 eoeee se 409 
Art. LVII. Observations upon the Dentalium subulatum of 
Deshayes. By the Rev. M. J. BERKELEY, 4. M. .... . 424 
Art. LVIII. Description of the Animals of Voluta denticulata, 
Mont., and Assiminia Grayana, Leach, By the Rev. M. J. 
SUR EEEN: Asbo rar ois beh ansvsiienenene Kine é, sie letememe 427 
Arr. LIX. A description of the anatomical structure of Cerithium 
Telescopium, Brug. By the Rev. M. J. BERKELEY, 4.M., 
and G. Ti, HowwMan, Eqs oes 51 se at es + suse See 
