XX — 



York and Fortli Bridges. — MacMunn. Further Observations on some of ihe Applications 

 of the Spectroscope in Biology, with special reference to the presence of Chlorophyll in 

 Animals. — Crosskey. Note on the Glacial Geology of the district around Loch Sween, 

 Argyllshire. 



f Proceedings of the London Mathematica* Society. N. 265-271. London, 1876. 



Elliott. On Ternary and w-ary Reciprocans. — Leudescìorf. On some Results connected 

 with the Theory of Beciprocants. — Rogers. Homographic and Circular Reciprocants. — 

 Cayley. On the Complex of Lines which meet a Unicursal Quartic Curve. — Buchheim. 

 On the Theory of Screws in Elliptic Space. — Basset. On the Motion of a Liquid Ellip- 

 soid under the influence of its own Attraction. — Greenhill. Solution of the Cubie and 

 Quartic Equations by means of Weierstrass's Elliptic Functions. — Hirst. On the Cremc- 

 nian Congruences which are contained in a Linear Complex. — Ibbetson. On the Airy- 

 Maxwell Solution of the Equations of Equilibrium of an Isotropie Elastic Solid under 

 Conservative Forces. 



+Proceedings of the r. Geographical Society. N.M. S. Voi. Vili, 12. Dee. 1886. 

 London. 



Buchanan. On similarities in the Physical Geography of the Great Oceans. — 

 de Lannoy de Bissy. Recent French Explorations in the Ogowe-Congo Eegion. — A Journey 

 in Manchuria, to the Peishan Mountains and the Sources of the Sungari. 



■Troceedings of the scientific Meetings of the Zoological Society of London 

 for the year 1886. Part II, III. London. 



II. Coìlett. On a new Pediculate Fish from the Sea oif Madeira. - Sclater. Note on 

 the External Characters of Rhinoceros simus. — Beddard. N >te on the Air-sacs of 

 the Cassowary. — Id. On the Syrinx and othei\ Poiiìts in the Anatomy of the Caprimul- 

 gidse. — Gorham. On new Genera and Species of E ndom y chid se . — Anderson. On the 

 so-called Pelvisternum of certain Vertebrates. — Bell. Note on Bipalium kewense, 

 and the Generic Characters of Land-Planarians. — Beddard. Note on the Structure of a 

 large Species of Earthworm from New Caledonia. — Id. On some Points in the Anatomy 

 ofChaunachavaria. — Crune. On a Brachiopod of the Genus Atre ti a, named 

 in MS. by the late Dr. T. Davidson. — Goodchild. Observations on the Disposition of the 

 Cubital Coverts in Birds. — Gììnther. Second Note on the Melanotic Variety of the South- 

 African Leopard. — Bland Sutton. On some Specimens of Disease from Mammals in the 

 Society's Gardens. — Finsch. On a new Species of Wild Pig from New Guinea. — Wood- 

 l'jard. On the Relations of the Mandibular and Hyoid Arches in a Cretaceous Shark (Hy- 

 bodus dubriensis, Mackie). — Collett. On the Hybrid between L a g o p u s albus 

 and Tetrao tetrix. — Boulenger. Description of a new Iguanoid Lizard living in the 

 Society's Gardens. — Id. Remarks on Specimens ofRana arvalis exhibited in the So- 

 ciety's Menagerie. — Collett. On the External Characters of Rudolphi's Rorqual (Baise- 

 li opterà borealis). — III. Kirby. Rermarks on four rare Species ofMoths of the Fa- 

 mily Sphingidse. — Beddard. Observations on the Ovarian Ovum of Lepidosiren 

 (P r o t o p t e r u s). — Cunningham. On the Mode of Attachment of the Ovum of 0 s in e - 

 r ii s eperlanus. — Jlleyer. On a fourth Male Specimen of King William the Third's 

 Paradise-bird. — Beddard. Descriptions of some new or little-known Earthworms, together 

 with an Account of the Variations in Structure exhibited by Perionyx excavatus.— 

 Sclater. Remarks on the various Species of Wild Goats. — Beddard. Notes on the Con- 

 voluted Tracheae of a Curassow (Nothocrax urumutu m), and on the Syrinx in 

 certain Storks. — Kirby. On a small Collection of Dragonflies from Murree and Camp- 

 bellpore (N.W. India), received from Major J. W. Yerbury, Department, British Museum. — 

 Bourne. General Observations on the Fauna of Diego Garcia, Chagos Group. — Saunders. 



