614 



The Andes and the Amazons. 



The following is an abstract of a register of weather I 

 have kept in Iquitos for the months named in 1871. 

 French measurements are those used :* 



Average of thermometer 



Average of barometer 



Average of wet bulb 



Direction of winds 



Direction of storms 



Number of raiuy days 



Highest day average of ther- \ 

 mometer / 



Lovfest day average of ther- 

 mometer 



Highest record of thermom- 

 eter 



Lowest record of thermom 

 eter f 



Highest record of barometer. 



Lowest record of barometer.. 



Highest day average of ba-\ 

 rometer / 



Lowest day average of ba-\ 

 rometer / 



Number of inches raiu 



APKIL. MAY. JUNE. JULY, 



26°.2 

 75'.43 

 24°.5 



N.E. 

 N. 

 17 



27°. 5 

 24°.4 

 29°.3 



75°.72 

 75°. 12 



26°.l 



75°.49 

 24°.4 

 N.E. 

 N.E. 

 13 



24°.2 

 30°.2 



75°.S6 

 75°. 17 



25°.8 

 75°.57 

 24°.0 

 N.E. 

 N.E. 

 16 



23°.3 

 29°.4 



75°. 80 

 75°.26 



75° .44 

 3°.13 



24°.9 

 75°.62 

 23°.0 

 S.&E. 

 S.E. 

 11 



19°.4 

 29°. 5 



75°.99 

 75°. 32 



75°.43 

 4°.27 



ATTS. SEPT. DOT. 



26°.l 

 75°. 53 

 23°.6 



N. 



S.E. 



10 



28°.3 



75°.88 

 75°.24 



75°.30 

 3°.94 



26°.2 

 75°.48 

 23°.8 

 N.W. 

 S.E. 

 S 



29°.6 

 22°. 2 



32°.4 



75°.83 

 75°.08 



75°.29 

 9°.33 



26°.7 

 75°.38 

 24°. 

 N.W. 

 N.E. 

 14 



24°.4 

 31°.0 



75°.66 

 75°.03 



75° .20 1 

 7° .57 



[* From observations made by Dr. Gait at Borja, April 3, 4, and '>, 1874, 

 we derive the following averages : Barometer, 29°. .526; Att. thermometer, 

 76°. 1; Det. thermometer, 76°. 2; lowest temperature at night, 72°. 2; wet 

 bulb, 73°. 6; wind, northerly. 



"There is one fact" (says Morelet) "not generally known — namely, that 

 inflammatory maladies are less frequent under the tropics than those which 

 proceed from debility of the organs or suspension of the natural functions of 

 the system. Under the continuous heat, the cellular tissue becomes relaxed, 

 and loses a great part of its contractile power, whence results, among other 

 phenomena, a deficiency of lymphatic circulation, especially in the extremities 

 of the members. Hence the difficulty of healing wounds or bruises in those 

 parts of the person. And while the muscular energy of the system becomes 

 enfeebled, the nervous apparatus acquires a singular irritability. The slight- 

 est wounds are excessively painful, and their tendency is toward tetanus, which 

 seems to be without a remedy." 



Malaria is cg-existent with vegetable decomposition ; it can not be said to 

 be consequent upon it. Fatigue is a predisposing cause to ague. In India, 

 tall individuals are oftener attacked than short ones, and the graminivorous 

 than the omnivorous. — J. O.] 



