1846 



REPORT OF THE CHIEF OF ENGINEERS. 



MEMORANDA. 



ENTOMOLOGY, 



Special collection. 



ORTHOPTERA. 



(Dry and in alcohol.) 



Made during the San Juan reconnaissance in Southwestern Colorado and Northern 



New Mexico. 



1877. 



Lieut. C. A. H. McCauley, Third Artillery, in charge. 



Eos. 



Collector. 



Date. 



Locality, 



Elevation. 



Remarks. 



1-12 

 13 

 14 

 15 

 16 

 17-22 

 23-48 



49-61 



62-64 



65 



66 

 67-69 



70-72 



73-74 



75 



76 



77-86 



87-92 



93-94 

 95-97 



McCauley. 



....do 



....do 



....do 



. . . .do 



...do 



...do 



.do 



.do 

 .do 



.do 



.do 



.do 

 .do 

 .do 

 .do 

 .do 

 .do 



.do 

 .do 



July 22 

 July 27 

 Aug. 7 

 Aug. 14 

 Aug. 29 

 Aug. 31 

 Sept. 1-3 



Sept. 4 



Sept. 12 



Sept. 3 



Aug. 20 

 Aug. 23 



Aug. 25 



Aug. 27 



Sept. 11 



Sept. 14 



Sept. 15 



Sept. 16 



Sept. 17 

 Sept. 18 



Pagosa Hot Springs, San Juan 

 Paver, Colorado. 



"Weeminuche Creek, tributary 

 to Rio Piedra, Colorado. 



Lower Rio Blanco, Colorado, 

 near wagon-road. 



Upper part Rio Blanco, Colo- 

 rado. 



"Upper part of Rio de los Pinos, 

 Colorado. 



Valley Vallecito Creek, above 

 its mouth. 



Upper part of Vallecito Creek, 

 Colorado, between camps 51 

 and 52. 



Hear Lake Columbine, above 

 or near headwaters of West 

 Pork of Vallecito Cr'k, in the 

 Needle of Quartzite Moun- 

 tains, Colorado. 



Rio Florida, Colorado, cross- 

 ing of upper wagon-road. 



"West Fork of Vallecito Creek, 

 Colorado, upper part. 



Pagosa Springs, Colorado 



Rio Piedra, Colorado, at bridge 

 on upper road. 



Rio de los Pinos, Colorado, 

 camp at bridge on upper road. 



Park on Rio de los Pinos, Col- 

 orado, at mouth of Vallecito. 



Rio Florida, Colorada, camp 55, 

 at upper-road crossing. 



Canon, upper waters Rio Blan- 

 co, Colorado. 



Camp 57, on the Lower Florida, 

 Colorado. 



Camp 58, on Rio de las Animas, 

 Colorado, near mouth of the 

 Florida. 



Lower Rio de las Animas, New 

 Mexico, near mouth. 



Camp 60, Rio de las Animas, 

 Colorado, near camp 58. 



7,084 feet. 



Above 12, 000 feet. 



Needle or Quartz- 

 ite Mountains, 

 Colorado, upper 

 regions. 



Note. — The above specimens are all dry. 



SPECIMENS IN ALCOHOL. 



98-109 

 110-119 



McCauley. 

 do 



... .do 



July.... 



July and 



August. 



Aug. 25 



to 

 Sept. 6 



Camps along the Rio Conejos 

 and Rio Chama, all in Colo- 

 rado. 



Pagosa Springs, Colorado 



Along Rio de los Pinos and 

 Vallecito, Colorado. 



7,000 to 9,000 feet.. 

 7,084 feet 



Numbers also in the 



120-122 



7,000 to 9,000 feet.. 



valleys of the San 

 Juan and Navajo, 

 7,000 to 10,000 ft. 



