NO. 2 FRASER : SCIENTIFIC WORK, VELERO III, EASTERN PACIFIC 171 



PLATE 69 



Fig. 148 The White Friars, Mexico, a series of guano-covered rocks located near 

 Acapulco and the site of a tremendous bird rookery. (Photographed by 

 Wm. R. Taylor.) 



Fig. 149 Morro de Petatalan, a conspicuous headland along the Guerrero Coast 

 of Mexico and principal landmark in locating the White Friars, a 

 series of bird rocks from which this picture was taken. The birds are 

 Brewster's boobies. Chart 71, p. 405. 



PLATE 70 

 Fig. ISO Fresh-water lagoon at Sihuatenejo, Mexico, in which several species of 

 fish were netted by the expedition of 1931. Chart 71, p. 405, Station 3. 



PLATE 71 



Fig. 151 View of Acapulco Harbor, Mexico, showing Velero III in the center 



and U.S.S. Wright at anchor to the left. Chart 15, p. 373. 

 Fig. 152 Narrow entrance to the landlocked harbor of Acapulco, Mexico. 



PLATE 72 



Fig. 153 The harbor at Acapulco, Mexico, viewed from a promontory on the 

 north side of the bay. The old fortress may be seen at the end of the 

 peninsula in the middle distance. The city has built up considerably 

 since the picture was taken in 1932. Chart 15, p. 373. 



Fig. 154 Salina Cruz, located on the Gulf of Tehuantepec opposite the narrowest 

 point of the Mexican Isthmus, and Pacific terminus of the shortest rail- 

 road across Mexico. Chart 15, p. 373. 



PLATE 73 



Fig. 155 Tangola Tangola Bay, Mexico, showing the sand beach and rock 

 shingle on which marine collecting was accomplished. The bay is lo- 

 cated at the northern limit of the Gulf of Tehuantepec. (Photograph 

 by Wm. R. Taylor.) Chart 73, p. 405. q 



Fig. 156a Chacahua Bay, Mexico, looking across the estuary of the lagoon 

 toward the rocky promontory which provides such shelter as the bay 

 affords. (Photograph by Wm. R. Taylor.) 



Fig. 156b Chacahua Bay, Mexico, seen from the southeast. The conspicuous head 

 at the left is Pt. Galero, elevation 190 feet. The lagoon entrance lies 

 immediately to its right. Chart 72, p. 405. 



PLATE 74 



Fig. 157 These spectacular sea stacks occur off the northwest end of Clarion 

 Island and are the remnants of a former continuation of the bluff to the 

 right in a westerly direction. The largest is Monument Rock. Chart 47, 

 p. 395. 



Fig. 158 Braithwaite Bay, Socorro Island, as seen from the deck of Velero III. 

 Mt. Everman, elevation 3,707 feet, is seen in the right background. 

 Chart 46, p. 395. 



PLATE 75 



Fig. 159 The coral sand beach at Sulphur Bay, Clarion Island, Mexico, where 

 Hancock Expedition members landed on the rocky spit shown at the 

 left of the picture. Plant growth consists principally of cactus, although 

 a few low trees offer nesting sites to birds. Chart 47, p. 395. 



Fig. 160 Clipperton Island, only coral atoll in the eastern tropical Pacific Ocean. 

 A 65-foot rock resembling a ship rises from the shallow lagoon. A few 

 coconut trees are the only life visible. Chart 14, p. 372. 



