Page 

 9. The Genus Engceus, or the Land Crayfishes of Australia. 

 By G. W. Smith, M.A., Fellow of New College, 

 Oxford, and E. H. J. Schuster, M.A., D.Sc, F.Z.S., 

 Fellow of New College, Oxford. (Pis. XII.-XXV.) .112 



10. On some Points in the Anatomy of the Mouth-parts of 



the Mallophaga. By Bruce F. Cummings. (Text-figs. 

 24-32) 128 



11. Report on the Deaths which occurred in the Zoological 



Gardens during 1912, together with the Blood- 

 Parasites found during the Year. By H. G. Plimmer, 

 F.R.S., F.Z.S., Pathologist to the Society 141 



12. Contributions to the Anatomy and Systematic Airange- 



ment of the Cestoidea. — YIII. On some Species of 

 IcJdhyotcenia and Ophidotcenia from Ophidia. By 

 Frank E. Bbddard, M.A., D.Sc, F.R.S., F.Z.S., 

 Prosector to the Society. (Text-figs. 33-38.) 153 



13. The Anterior Ambulacrum of Echinocardium cordatum 



Penn., and the Oiigin of Compound Plates in Echinoids. 

 By Herbert L. Hawkins, M.Sc, F.G.S., Lecturer in 

 Geology, University College, Reading. (PL XXVI. 

 and Text-figs. 39-41.) 169 



14. Plankton from Christmas Island, Indian Ocean. — II. On 



Copepoda of the Genera Oithona and Paroithona. By 



G. P. Farran. (Pis. XXYII.-XXXI.) 181 



15. Diagnoses of New Species and Varieties of Agnathous 



MoUusca from Equatorial Africa. By H. B. Preston, 

 F.Z.S. (Pis. XXXII.-XXXY.) 194 



16. Notes on the Habits of Certain Reptiles in the Lagos 



District. By W. A. Lamborn, M.R.C.S 218 



17. On the Gorgonopsia, a Suborder of the Mammal-like 



Reptiles. By R. Broom, M.D., D.Sc, C.M.Z.S. ' 

 (Pis. XXXYL & XXXYII.) 225 



18. On two British Entomcstraca belonging to the Orders 



Copepoda and Ostracoda. By G. Stewarison Brady, 

 M.D., LL.D., D.Sc, F.R.S., C.M.Z.S. (Pis. 

 XXXYIII.-XL.) 231 



