INDEX. 
691 
O. 
Orbitolites, 551 (see Carpenter). 
Owen (R.). On the Affinities of Thylacoleo, 575 
Pelvic characters of Thylacoleo Carnifex, 639. 
P. 
Palladium, Volatile alloy of, with hydrogen, 482 (see De La Rue). 
Parker (W. K.) On the Skeleton of the Marsipobranch Fishes.— Parti. The Myxinoids (Myxine and 
Bdellostoma), 373.—Hag Pish (Myxine glutinosa), 376; Bdellostoma, 394; summary and conclusion 
of Part I., 403; description of the plates, 407. Part II. Petromyzon, 411; embryo of Petvomyzon, 
439; summary and conclusion, 450; description of the plates, 454. 
Psaronius, 464 (see Williamson). 
R. 
Riinold (A. W.) and Rucker (A. W.). The Limiting Thickness of Liquid Films, 645; electrical 
experiments, 646 ; optical experiments, 652 ; summary of results, 660. 
Rucker (A. W.) and Reinold (A. W.) (see Reinold). 
S. 
Sporocarpon, 469 (see Williamson). 
T. 
Thylacoleo, 575, 639 (see Owen). 
W. 
Ward (H. M.). On the Morphology and Development of the Perithecium of Meliolia, a Genus of 
Tropical Epiphyllous Fungi, 583; description of plates, 597. 
Williamson (W. C.). On the Organization of the Fossil Plants of the Coal-Measures.—Part XII.. 459. 
Psaronius Renaultii, 464; Zygosporites, 464; Calamites, 465; Lepidodendroid plants, 465; Halouia, 
466; Sporocarpon, 469; Dadoxylon, 469; index to the plates, 471. 
Z. 
Zygosporites, 464 (see Williamson). 
/if/'SZ 
