The American Naturalist. 
Passeroidei 
Peabody Academy of 
PeculJ ■ 
Habit of the Black Baas, Web- 
Pediculati, 859, 860- 
Pedetes,92l, 1019. 
PegasidfE, 860. 
Pegmatile, 46. 
I'elagia panopyra, 592. 
Pelagic Fisbes, 826. 
Pelagic State of Young Fishes, 
Agassiz and Whitman, 426. 
Pelecanidte, 872. 
Pelecopteridse, 858. 
Pelomedusidae, 865. 
Pelvic Girdle, 914. 
Pelycosauria, 866. 
Peridotite, 721. 
Pentaceros, 951. 
Pentamerella, 989. 
Peramelidiv, 876. 
Percesoces, 866, 859. 
Percomorpha, 860. 
Peridotite, 1006. 
Period of Repose, 464. 
Peripatus, 825. 
Development of, 733. 
Periptychidse, 876. 
Perissodactyla, 877. 
Perlitic and Sphenolitic Fi 
Permian Formation of T< 
Feb. 109. 
Perofskite. 907. 
Petalodontidie, 854. 
Petermann's Mitteilungen, A 
Petrarca, 825. 
bathyactidU, 1097. 
Petromyzontidae, 853. 
Phalanges of Batrachia Salientia, 3 
170. 
Phalangistidoe, 876. 
PhaneropleuridiP, 856. 
Pharyngognathi, 860. 
Phascalomyida?, 876. 
Phaseolus, 665. 
Phenyl Alcohol, for Preserving Bacterial 
Phila. Academy of Nat. Sciences, 540. 
Philander pusillus, Feb. 130. 
Philepittidie, 873. 
Philippine Islands, Ste^re, 60, 160. 
Philip St(>hr, Prof of Anatomy, 1110. 
Phoenicopteridse, 872. 
Phosphorescence of Porichthys, 921. 
Phryniscidte, 862. 
PhycochromacejB, 2. 
Phyllostomidte, 876. 
Phymosoma, 1018. 
Physalia in the Bay of Fundy, 821. 
Physcia (Theoloschistes) parietina, 2, < 
PhyseteridjB, 876. 
Physics of Metamorphism, 525. 
Physiological Prize, Mar. 175. 
Physoclysti, 857. 
Picidie, 873. 
Picoidei. 872. 
Picrite, 1007. 
Plagiaulacidae, 87^ 
Plagioclase, 812. 
and Scapolite 
PlatanistidaB, 876. 
Plattnerite, 815. 
PlatycephalidaB, 960. 
Platystrophia, 991. 
Plectognathi, 859. 
Plectospondyli, 867, 8^ 
Plenellus gilberti, 1081. 
Pleonast, 910. 
Plesiocnelydidse, 865, 
Plesiometacarpa (Cervi 
Phenacite, 527. 
