GEOGRAPHICAL DISTRIBUTION OF CRUSTACEA. 14Q7 



Isocrymes of 56° and 50° F. — The temperature at Callao, in July, 

 averages 58i° or 59° F. At ^quique, near 20° south, Fitzroy had 

 58° to 60° F., on July 14, 1835 ; and off Copiapo, in the same month, 

 56 h° F. At Valparaiso, Captain Wilkes found a sea-temperature of 

 52 i° F., in May ; and Fitzroy, in September, occasionally obtained 

 48° F., but generally 52° to 53°. Off Chiloe, Fitzroy found the tem- 

 perature 48° to 51 £° in July. 



2. FROM TAHITI TO VALPARAISO. 



DATE. 



LATITUDE. 



LONGITUDE. 



WINDS. 



SEA.* 



AIR* 



REMARKS. 



Aug. 26 



18°77' 



151°01' 



S.E. 



73° 



76° 



Fine. 



27 



20 10 



151 33 



S.E. 



72 



75 



Clear. 



28 



22 02 



152 06 



S.E. 



72 



75 



" 



29 



22 18 



152 45 



S.E. 



75 



73 



" 



30 



22 30 



151 38 



Var. 



76 



72 



" 



31 



23 15 



152 47 



S.E. 



68 



72 



k 



Sept. 1 



24 24 



152 51 



S.S.E. 



68 



72 



" 



2 



25 14 



152 12 



N.N.E. 



69 



72 



Cloudy. 



3 



26 13 



151 41 



s.w. 



69 



70 



Clear. 



4 



27 18 



150 47 



s.w. 



65 



66 



Fine. 



5 



28 46 



149 49 



s.w. 



63 



68 



Clear. 



6 



28 40 



149 49 



s.w. 



62 



66 



" 



7 



29 21 



150 21 



w. 



61 



65 



Rains. j 



8 



30 19 



151 40 



S.E. 



60 



65 



Cloudy. 



9 



31 30 



152 43 



S.E. 



58 



60 



Squally; dark. 



10 



32 30 



152 46 



S.E. 



58 



60 



a « 



11 



33 45 



151 56 



Var. 



58 



57 * 



Cloudy. 



12 



34 42 



150 27 



Var. 



56 



68 



Thick and cloudy. 



13 



35 43 



148 53 



N.E. 



56 



56 



Cloudy. 



14 



36 50 



147 15 



N.E. 



56 



56 



Clear. 



15 



38 19 



146 37 



Var. 



55£ 



65 



Cloudy. 



16 



39 23 



145 38 



N.N.E. 



53 



52 



" 



17 



40 18 



143 43 



N.E. 



50 



61 



Rain; dark. 



18 



40 01 



141 19 



N.E. 



52 



52 



" squally. 



19 



39 05 



139 11 



N.N.E. 



55 



64 



Clear. 



20 



38 24 



136 58 



N. by W. 



56 



65 



Foggy. 



21 



38 09 



134 08 



N.N.W. 



56 



54 





22 



37 42 



130 38 



N.N.E. 



56 



65 



Cloudy. 



23 



37 23 



127 22 



N.N.W. 



65 



54 



Rains. 



24 



36 52 



124 06 



N.N.W. 



56 



54 



«' 



25 



37 05 



121 00 



N.W. 



58 



57 



Clear. 



26 



37 05 



117 32 



W. 



56 



55 



" 



27 



37 11 



114 18 



N.W. 



56 



54 



Squally. 



28 



37 03 



112 19 



Var. 



68 



67 



" 



29 



36 47 



108 58 



N.W. 



67 



55 



Cloudy. 



30 



36 48 



106 31 



W. 



57 



55 



« mild. 



Oct. 1 



36 29 



104 12 



Var. 



58 



57 



Squally. 



2 



36 22 



103 30 



Var. 



55 



56 



11 



3 



36 42 



101 00 



N.N.W. 



58 



66 



Cloudy. 



4 



37 12 



97 06 



N.W. 



58 



57 



" 



6 



36 58 



94 30 



W.N.W. 



58 



66 



" 



6 



37 11 



90 20 



W.N.W. 



56 



54 



Clear. 



7 



36 18 



88 11 



W.N.W. 



57 



55 



" 



8 



35 28 



84 55 



N.W. 



56 



56 



" 



9 



34 14 



82 08 



N.W. 



54 



56 



" 



10 



34 06 



74 25 



Var. 



57 



67 



" 



11 



34 03 



73 06 



S.W. 



57 



56 



Fine. 



12 



34 48 



72 10 



N.N.E. 



57 



57 



" 



13 



33 39 



72 40 



N. 



56 



57 



«i 



14 



33 33 



72 50 



N.W. 



56 



57 



" 



15 



33 10 



72 04 



S. 



56 



66 



" 



16 









55 



54 



At Valparaiso. 



* Mean temperature. 



