464 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH Ser. 
parietalis, Thamnophis, 150-158 
parilis, Diplodonta, 167 
paroticus, Chondrotus, 259 
peckhami, Pecten, 3, 4, 16, 18, 20, 165 
Pseudomusium, 4 
Pecten, 39 
andersoni, 98, 100, 167, 168 
bellus, 168 
bowersi, 100 
branneri, 165 
catilliformis, 101 
cerrosensis, 167 
mendenhalli, 167 
coalingaénsis, 27, 30, 167 
crassicardo, 28, 25, 26, 30, 40, 
167 
discus, 18, 19, 167, 168 
estrellanus, 23, 25, 26, 30, 40, 
167 
(rel. P. estrellanus), 100 
etchegoini, 30 
excavatus, 168 
hamlini, 166 
interradiatus, 11 
(rel. P. islandicus), 23 
lompocensis, 165 
magnolia, 100, 165 
miguelensis, 165 
nevadanus, 165 
nevadensis, 100, 101 
nutteri, 167 
oweni, 30, 167 
pabloénsis, 167, 168 
peckhami, 3, 4, 16, 18, 20, 
165 
perrini, 100, 165 
propatulus, 166 
sanctaecruzensis, 165, 168 
sespeénsis, 100, 165 
vanvlecki, 165 
vaughani, 165 
wattsi, 30, 167 
species, 19 
Pectunculus, 30 
pranneri, 100 
sagitatus, 15 
septentrionalis, 30, 98, 100 
pedroana, Olivella, 166 
pelagicus, Phalacrocorax, 68 
Pelecanus californicus, 68 
erythrorhynchos, 68 
Pelican, California Brown, 68 
White, 68 
pellopleurus, Lygosaurus, 240 
browni, Lygosaurus, 188, 240 
penicillatus, Phalacrocorax, 68 
Perissolax, species, 8 
perrini, Astrodapsis, 167 
Pecten, 100 
perspicillata, Oidemia, 69 
pertenuis, Venus, 98, 167 
Petrel, Ashy, 67 
Black, 67 
Fork-tailed, 66 
Pintado, 65 
petrosum, Dolium, 4 
Phacoides acutilineatus, 100 
annulatus, 166 
richthofeni, 100, 165 
sanctaecrucis, 167 
Phalacrocorax auritus, 68 
pelagicus, 68 
penicillatus, 68 
Phalarope, Northern, 70 
Red, 70 
Phalaropus fulicarius, 70 
Phaleris psittacula, 59 
philadelphia, Larus, 63 
Phrynosoma blainvillii, 148, 150, 151, 
152 
pblainvillii frontale, 148 
cornutum, 392 
douglassii, 156 
frontale, 148 
hernandesi, 392, 405 
m’callii, 153, 393, 406 
modestum, 393 
platyrhinos, 156, 157, 393, 406 
solare, 392, 406 
Phyllorhynchus brownii, 393 
piceum, Bascanion, 393, 416 
Pinna alamedaénsis, 100 
Pintail, 68 
pipiens, Rana, 392, 395, 422 
brachycephala, Rana, 158 
Pisania fortis, 167 
Pisobia bairdi, 70 
minutilla, 70 
Pituophis catenifer, 149, 150, 158 
catenifer deserticola, 393, 418 
Placuanomia californica, 167 
planiceps, Tantilla, 424 
planus, Isurus, 101 
Platanus, 102 
platurus, Hydrus, 46 
platyrhinos, Phrynosoma, 156, 15%, 
393, 406 
platyurus, Cosymobotus, 208 
Plethodon vandykei, 259 
Pleurotoma (Clathurella) 
100 
Pleurotoma transmontana, 101 
Plover, Black-bellied, 71 
Snowy, 71 
podiceps, Podilymbus, 58 
Podilymbus podiceps, 58 
polygonata, Japalura, 209, 210 
ishigakiensis, Japalura, 188, 
210, 211 
miyakensis, 
210, 211 
polygonata, Japalura, 210 
dumbiei, 
Japalura, 188, 
