Zoological Society. 205 



the development of the axes and their appendages in Vegetables 

 (with plates). — Commencement of Count de Tristan's memoir on 

 the Laticiferous canals. 



April 1844. — Zoology. — Memoir on the formation of the organs 

 of circulation and of the blood in the Batrachiens, by Drs. Prevost 

 and Lebert (a memoir of 36 pages, with two plates). — Considera- 

 tions on the Alimentation of Animals, by M. Boussingault. — General 

 anatomy of Diptera, by M. Leon Dufour (a brief summary of the 

 author's extensive researches on the insects of this order). 



Botany. — Continuation of M. de Tristan's memoir on the Latici- 

 ferous ducts. — On a new genus of Hepaticce, by MM. Bory St. 

 Vincent and Dr. Montagne. This genus is founded on a curious 

 plant belonging to the tribe of Riccicz, discovered near Oran in 

 Barbary by Captain Durieu, and named after its discoverer Duriciea. 

 — Memoir on the Apocynacece, by M. Alphonse DeCandolle (com- 

 mencement). 



May 1844. — Zoology. — Conclusion of M. Leon Dufour's paper on 

 the anatomy of Diptera. — Memoir on the formation of the organs 

 of circulation and of the blood in the Embryo of the Chicken (with 

 plates). — On the development of the Pozcilia surinamensis, by M. 

 Duvernoy (commencement). 



Botany. — Conclusion of M. A. DeCandolle's memoir on the Apo- 

 cynacece. — M. Gaudichaud on the anatomy of Monocotyledones, in 

 reply to M. Mirbel (a long and interesting paper in defence of the 

 author's theory of merithalli). — Note on two facts in Vegetable 

 Teratology, by Dr. Duchartre. The monstrosities described are of 

 the stem of a Galium and of the flower of an orange. In the last 

 case the flower presented the remarkable phenomenon of alternate 

 whorls of stamens and pistils, presenting — 1 st, the calyx ; 2nd, nume- 

 rous petals, some of which were transformed stamens ; 3rd, normal 

 stamens ; 4th, a whorl of pistils ; 5th, a whorl of stamens, and in 

 the centre a number of pistils mingled with stamens. — M. Boissier, 

 Plantse Aucherianae (Umbelliferce) continued. 



PROCEEDINGS OF LEARNED SOCIETIES. 



ZOOLOGICAL SOCIETY. 

 Dec. 12, 1843 {continued).— Wm. Yarrell, Esq., V.P., in the Chair. 

 " Descriptions of new species of Shells figured in the ' Conchologia 

 Iconica,' " by Mr. Lovell Reeve. 



Conus Deshayesii. Con. testd cylindraceo-ovatd, tenuiculd, inflatd t 

 pallide olivaceo-fulvd, profuse rubido-puncticulatd, maculis albis 

 grandibus, perpaucis, sparsim et irregulariter nebulosd ; spird 

 depresso-pland, apice mucronato ; aperturd dehiscente, fauce, quasi 

 politd, nitente. 

 Conch. Icon., Conus, pi. 5. f. 28; Conus cervus, Sowerby, Conch. 

 Illus., f. 94. 



Hab. Swan River. 



