LIST OF PLATES. 
PLATE IV. 
Xi 
To FAQE PAGE 
Fie. 1. Epiraerium Crit from human mouth; magnified 
one thousand diameters . 
Fig. 2. Eprraetium CELt, stireenitad er becleria Sse ex- 
tremity of male urethra ; magnified one thousand diame- 
ters . 
Fic. 3. SCALES OF Sarvevs ZANIRA 3  iapaltietle one trained 
diameters . 
Fie. 4. Popura Soa’; Aine Red, one @ thousand diameters 
Fie. 5. Scaxtes from body of Mosquito ; magnified two hun- 
dred diameters F 
PLATE V. 
Fie. 1. Bioop or Guinza-Pia; magnified fourteen hundred 
and fifty diameters 
Fie. 2. Broop or PIgEon ; snagaiied fourteen honed and 
fifty diameters 
PLATE VI. 
Fig. 1. Bioop oF YELLOW-FEVER PatTIENT ; fatal case ; first 
day of sickness; magnified fourteen hundred and fifty 
diameters . yee 
Fig. 2. BLoop oF Yuntow-FEver PATIENT ; fifth day of 
sickness ; fatal case ; magnified fourteen uum’ and fifty 
diameters . 
PLATE VII. 
Fig. 1. Ponnen or LavaTERA ASCERGENTIFOLIA, reflected 
light; magnified twenty-five diameters . 
Fie. 2. Potten or Acacia (species?) ; magnified two ‘en, 
dred diameters F 
Fig. 3. PoLLen or PINE pede D; magnified epeutyaive 
diameters . 
Fie. 4. PoLLEN oF Avatea (apices ); H eee seventy: 
five diameters . . Bee Ae ee a é 
PLATE VIII. 
Fic. 1. Eprpermis or LInrum LonGIFLora ; magnified fifty 
diameters 
Fic. 2. EpipERMIS OF "ANAGALIA ; oapattied ‘fifty dimiaters 
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