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01. ( < AUG 9 \m 



THE LINNEAN SOCIETY. 



Vol. XIX. ZOOLOGY. ^o. 112. 



CONTENTS. 



Page 

 I. On the Anatomy of 8p]i(Brotherium. By Oilbeet C. 

 Bourne, B.A., New Coll. Oxford. (Communicated 

 by Prof. MosELET, T.E.S., F.L.S.) (Plates XXVII.- 

 XXIX.) 161 



II. Notes on Parasites collected by the late Charles 

 Darwin, Esq. By T. Spencer Cobbold, M.D., 

 E.E.S., E.L.S., Hon. Vice-Pres. Birmingham Nat. 

 Hist. & Micros. Soc. (With a wooodcut.) 174 



III. On the Perignathic Girdle of the Echinoidea. By 

 Prof. P. Martin Duncan, M.B.Loud., E.E.S., F.L.S. 

 (Plates XXX. & XXXI.) 179 



IV. The Colombian Species of the Genus Diabrotica, with 

 Descriptions of those hitherto uncharacterized. — 

 Part I. By Joseph S. Balt, F.L.S 213 



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