LOS ANGELES DISTRICT: PUENTE FORMATION. 
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Yoldia n. sp. 
Agasoma barkerianum Cooper. 
Natica or Neverita sp. 
Turritella cf. variata Conrad (PI. XLI, figs. 10 , 11, 12). 
Another fossiliferous locality is at Laughlins Hill, one-half mile 
southwest of Edgemont, where the following species were obtained: 
Puente fossils from Laughlins Hill, north of Los Angeles , Cal. 
Cardium sp. (large; sharp ribbed). 
Pecten crassicardo Conrad (PI. XXXI, fig. 1). 
Phacoides cf. childreni. 
Phacoides richthofeni Gabb. . 
Neverita callosa Gabb (PI. XXXI, figs. 4, 4a). 
Trophon sp. 
The following fauna, characteristic of the lower Miocene through¬ 
out the southern San Joaquin Valley and as far south as the Santa 
Ana Mountains, is found at the head of Topanga Canyon, about 3 
miles south of Calabasas, at the west end of the San Fernando A alley: 
Puente fossils from S miles south of Calabasas, Los Angeles County , Cal. 
PELECYPODA. 
Callista (Amiantis) diabloensis Anderson. 
Cardium sp. (sharp ribs). 
Cardium.sp. (square ribs). 
Chione temblorensis Anderson (PI. XXX, figs, 1, la). 
Dosinia ponderosa Gray (PI. XXXIII, fig. 4). 
Glycymeris sp. (large). 
Macoma cf. nasuta Conrad. 
Mytilus mathewsonii Gabb var. expansus Arnold (PI. XXX, fig. 2). 
Ostrea titan Conrad (PI. XXVII, fig. 2; PI. XXXII, fig. 2). 
Pecten bowersi Arnold (PL XXVII, fig. 1). 
Pecten cf. miguelensis Arnold. 
Phacoides richthofeni Gabb (IT. XXXII, fig. 4). 
Venus pertenuis Gabb. 
GASTEROPODA. 
Agasoma cf. kernianum Cooper. 
Bittium sp. 
Calliostoma sp. 
Cancellaria cf. condoni Anderson (PI. XXVII, fig. 9). 
Cerithium topangensis Arnold (PI. XXVII, figs. 7, 8). 
Chlorostoma (Omphalius) dalli Arnold (PI. XXVII, figs. 4, 4a, 4b, 5, 6, 6a). 
Cylichna sp. 
Dolichotoma keepi Arnold (PI. XXXIII, fig. 5). 
Drillia sp. 
Fusus sp. 
Macron merriami Arnold (PI. XXVIII, figs. 4, 4a). 
Neverita callosa Conrad (PI. XXXI, figs. 4, 4a). 
Ocinebra topangensis Arnold (PI. XXX, fig. 4). 
Purpura edmondi Arnold (PI. XXVII, figs. 3, 3a). 
Sigaretus perrini Arnold (PI. XXVIII, fig. 5). 
