Zoological Society, 305 



the development of the axes and their appendages in "\^egetables 

 (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 AI. 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 MAL Bory St. 

 "Mncent and Dr. Alontagne. This genus is founded on a curious 

 plant belonging tu the tribe of Riccice, discovered near Oran in 

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

 — Memoir on the Apocynaceoi, by AI. Alphonse DeCandoUe (com- 

 mencement). 



Alay 1844. — Zoology. — Conclusion of AI. Leon Dufour's paper on 

 the anatomy of Diptera. — Alemoir 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 PceciUa surinamensis, by AI. 

 Duvemoy (commencement). 



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

 cynacecE. — AI. Gaudichaud on the anatomy of Monocotyledones, in 

 reply to AI. Alirbel (a long and interesting paper in defence of the 

 author's theor}'- 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 phaenomenon of alternate 

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

 rous petals, some of Avhich 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. — AI. Boissier, 

 Plantse Aucherianse (UinbelUferce) 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 Air. Lovell Reeve. 



CoNus Deshayesii. Con. testd cylindraceo-ovatd, temncidd, inflatd, 

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

 grandibus, perpaucis, sparsim et irregulariter nebiilosd ; spird. 

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

 politd, nitente. 

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

 lUus., f. 94. 



Hub. Swan River. 



