452 Bulletin American Museum of Natural History. [Vol. XXXV, 



argentiventris), Flamenco (N. guttatus), Burro (Pomadusis macr acanthus), 

 Mojarra Garabata (Calamus brachysomus) , Yellow-tail (Seriola dorsalis), 

 Redfish (Pimelometopon pulcher), Mojarra Dorara (Gnathanodon speciosvs), 

 Garlopa (Myderoperca rcnadorum), Grouper (Dermatolepis punctatus), 

 Cabrilla Piritita (Myderoperca pardalis), Codorniz (Umbrina xanti), Mo- 

 jarra Blanca (Xystwma cinereum). 



Good food fishes are known to be abundant about Guaymas, but they 

 are doubtless just as abundant at many other points on the Gulf. 



Mullets of large size are very abundant at the mouth of the Rio Colorado, 

 running up the river as far as there is brackish water. 



In cruising about the Gulf the many large-sized fishes to be seen leaping 

 indicate their abundance. 



A few angler-yachtsmen from California have found their way into the 

 upper part of the Gulf and enjoyed the best of sport with rod and reel. The 

 fish reported by them as "tarpon" is without doubt the bone fish (Elops 

 saurus), first cousin of the tarpon. It is a hard-fighting game fish, three 

 feet in length and common at Guaymas. This species is also found on the 

 Atlantic coast. 



The Gulf of California is 700 miles long with an average width of about 

 100 miles. Its fishery resources are of great importance and undoubtedly 

 worthy of development. The only existing means of communication with 

 the United States is the Sonora Railway extending from Nogales, Arizona, 

 to Guaymas, situated about midway on the Gulf. The head of the Gulf 

 extends to within forty miles of the Arizona-Mexico boundary at two points, 

 the mouth of the Rio Colorado and Adair Bay, situated fifty miles east of 

 the mouth of that river. 



If access to the northern part of the Gulf with its abundant supply of 

 food fishes, oysters and turtles could be secured, it would be possible to 

 inaugurate a fish trade under American auspices, between points on the 

 Gulf and the large Ashless section of the United States represented by New 

 Mexico, Arizona, Nevada and southeastern California. An outlet to the 

 extreme head of the Gulf of California, through a strip of American territory 

 which might be acquired by purchase from Mexico, would be of great benefit 

 to the people of both countries. It would lead not only to the development 

 of latent fishery resources, but would open to traffic a great navigable water- 

 way that has hitherto been tightly sealed. 



