_ — see Enders et al. 

 ., and R. K. Enders, 27 



Pearson, O. P., 36 



— see Enders et al. 



— see Pearson and Pearson 



pelage, 26, 31, 39, 40, 44, 48, 49, 50 



pelagic research, 10, 13, 31, 33, 38, 41, 42, 43, 45 



pelagic sealing, 7, 8, 10, 11, 13, 14, 15, 18, 19, 20, 21, 36, 37, 



51 

 Perkins, R. M., 51 

 Peru, 5 



Petersen, C. G. J., 27 

 Petersen index, 36, 45 

 Peterson, R. S., 29, 47, 48, 49 



— see Bauer et al. 



— see Irving et al. 



, and W. G. Reeder, 33, 48, 50 



Peyton, L. — see Irving et al. 

 Phoca (see seal, names) 

 Phocanema (see ascarids) 

 Phocascahs (see ascarids) 

 Phocitrema (see trematodes) 

 photographs, aerial, 26, 30, 31, 32, 37 



movie, 18, 22, 23, 51 



still, 7, 10, 11, 12, 13, 16, 17, 24, 25, 26, 31, 33, 39 

 Pierard, J. A., 50 

 Pingree, S. J., 44 

 Pike, G., 43 



, G. MacAskie, and A. M., Craig, 38 



pituitary, 28, 52 



plot or quadrat, sampling, 37, 40, 41, 46, 51 



poaching, 5, 8, 11, 18 



poisoning, paralytic shellfish, 50 



Poland family, 8, 22 



population estimates, 4, 6, 9, 10, 11, 12, 13, 17, 20, 22, 24, 29, 



31, 32, 33, 36, 39, 44, 45, 47, 49, 52, 53 

 Porrocaecum (see ascarids) 

 Power, E., 41, 51 

 Preble, E. A., 22, 23 



— see Osgood et al. 



, and W. L. McAtee, 4, 20, 21, 23, 24 



predation (see food habits) 

 predicting (see killings, quotas for) 

 Prefontaine, G., 30 



, and G. C. Carl, 30 



pregnancy rate, 35, 38, 40, 51, 52 



Pribilof, G. G., 1 



Pribilof Islands, discovery of, 1 



Pricelrema (see trematodes) 



processing skins, 4, 7, 22, 24, 44, 48, 49, 50 



Proteus, 52 



pups, artificial feeding of (see captive seals) 



pups, counting of, 18, 19, 20, 22, 24, 25, 27, 28, 32, 33, 35, 36, 



41, 45, 46, 47, 51, 52, 53 

 pups, killing of, 3, 7, 11, 19 



weight of, 32; (revised), 42, 47 



Rafn, M. — see Schultz and Rafn 



raids (see poaching) 



Rand, R. W., 40 



red tide (see poisoning, paralytic shellfish) 



Redfield, W. C, 21, 22, 23 



Reeder, W. G., 49 



— see Laughlin and Reeder 



— see Peterson and Reeder 



rejects, 46 



reports, research, 52 



reproduction, female (see also behavior studies; embryo and 

 fetus; pregnancy rate), 13, 14, 28, 31, 36, 52 



reproduction, male (see also age, estimation from baculum), 

 14, 19, 29, 36 



reservation (refuge), 19 



reserve (see breeding reserve) 



Reynolds, A. C, 24 



Rezanov, N., 3, 4 



Rice and Brothers, 22 



Richardson, T., 49 



Ridgway, G. J., 42, 44 



Riley, D. F., 43 



Riley, F., 3, 8, 10 



ringworm (see fungi) 



"roadskins", 25 



Robben Island, 5, 14, 26, 38, 47 



Roberts, B., 27 



rocks (see rookery marks) 



Rodahl, K., 37, 38 



roentgenograms, 26, 33, 48 



rookery areas, 6, 9, 10, 11, 24, 25, 32, 35 



rookery marks, 12, 13, 14, 24 



Roppel, A. Y., 41 



— see Abegglen and Roppel 



— see Abegglen et al. 



, and S. P. Davey, 50 



, A. M. Johnson, R. D. Bauer, D. G. Chap- 

 man, and F. Wilke, 41, 42, 44, 50, 51 



, A. M. Johnson, R. E. Anas, and D. G. Chap- 



man, 41, 42, 46, 51, 52, 53 

 , A. M. Johnson, and D. G. Chapman, 41, 50, 



51 



_ — see Wilke et al. 



Rosted, A. F. — see Svenkerud et al. 

 Rothermel, J. H., 21 

 rub (on pelage), 44 

 Russian-American Company, 2, 3, 4, 9 



St. George, 1 



St. Louis Zoological Park, 51 

 sales, seal skin, 22, 48, 49, 50 

 salmonellosis, 38, 42 

 Samalga Island, 31 

 Sanford, F. B. 



— see Miyauchi and Sanford 



, K. W. Kenyon, and V. B. Scheffer, 31 



— see Scheffer et al. 



Sater, E., 16, 26 

 Sauer, M., 1 

 Scammon, C. M., 4, 6 



Scheffer, V. B., 15, 16, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 

 34, 35, 36, 38, 40, 44, 46, 47, 48, 50 



— see Bauer et al. 



—see Kenyon et al. 



— see Sanford et al. 



, N. L. Karrick, and F. B. Sanford, 31 



, and A. M. Johnson, 44, 48 



68 



