CONTENTS. 
ennai EOP UCT IOWN bois 2 rw hace Sale ow Been nose sien ep Soaps em oon 
Definitions and arrangement (p. 9)—Grouping of parasitic insects 
(p. 11)—Life histories of parasites in general (p. 14)—Origin of the 
parasitic habit (p. 16)—Results of parasitism (p.16)—Distribution 
of parasites (p. 17)—Effects of parasites on the host (p. 18)—Losses 
due to parasites (p. 20)—Popular notions about parasites (p. 21). 
CHAPTER II.—DIPTERA (mosquitoes, gnats, flies, and ticks)-.....----..----.-- 
DRamily: Cplicig 2. (mosguiees, onats, 6bC.).-.2..-2-2-5-2---5-b-- 2 -s4-2-- 
Pee MeMA ANS TOMUNEN, 325.06 Fo eo ae LS eee nes 
Peet ERONOMID.2: (minees) oss 6- ws Sais os ee as eee nae ne se- =o 
The blood-sucking gnat ( Tersesthes torrens)....--.-------------------- 
Family SIMULIID (black flies, buffalo-gnats)-.--.-..--.-...-.---------- 
Losses from buffalo gnats (p. 32)—Life history and habits (p. 33)— 
Preventives (p.36)—Remedies for the bites (p.37)—Natural enemies 
of buffalo gnats (p.38)— Descriptions of species, with notes on their 
habits (p. 38)—The columbacz midge (p. 38)—Simulium ornatum 
(p.39)—The black fly (p.40)—The Southern buffalo gnat (p.41)— 
The turkey gnat(p.52)—The Western buffalo gnat(p.55)—Simulium 
piscicidium (p.56)—Simulium canescens (p.57)—Simulium rivulara 
» (p. 57) —Simulium sp. (in Brazil) (p. 57)—Simulium venustum 
(p.57)—Simulium sp. (near Washington) (p.58)—Simulium pictipes 
(p. 58). 
Family TABANID& (horse flies, gad flies, etc.) .-...........-----.-.-.------ 
The black gad fly or breeze fly (p. 60)—The green-head horse fly (p. 
63)—Tabanus stygius (p. 66)—Tabanus molestus (p. 68)—European 
gad fly (p.68)—The banded breeze fly (p.69)—The ear fly (p. 69)— 
Chrysops niger (p. 70)—Chrysops quadrivittatus (p. 70)—Chrysops 
costatus (p. 70)—Chrysops fugax (p. 70)—The hippoboscid-like 
tabanid (p.71). 
RT NESTOR) iia 2 i nL 
Family GisTRID& (hot-flies, breeze flies) ........-..----..-. 2-52. -e-5-- 
The horse bot-fly (p.76)—The hemorrhoidal bot-fly............------ 
Horse bot-fly or ‘chin fly” (p. 85)—Gastrophilus pecorum........---- 
The bot-flies of cattle (p.87)—Warble flies: Extent and manner of 
injury (p.88)—Loss on hides (p.88)—Loss in milk and beef from 
attack of bot-flies (p.89)—Occurrence of warbles in man (p.91)— 
* Life history and habits (p. 91)—Remedial measures (p. 93)—Ox bot- 
- fly or warble fly (p. 95)—Ox bot-fly or heel fly (p. 97). 
Zee sneep Dot-ly OF head maggot.*.. - 2... 2... 2 - nn an eneee- 
Be -, The reindeer bot or deer bot (p. 105)—The emasculating bot-tly (p. 
105)—The rabbit bot-fly (p. 108)—The cotton-tail bot (p. 110)—Other 
species (p. 110)—Bot-fly of man, monkeys, dogs, ete. (p. 110). 
