| In reference to the ectozoa of rodents it may be said that they are very numerous. |
| The ectozoa of the dog, though not numerous as species, are of importance in relation to mange. |
| The ectozoa of birds are too numerous to be dealt with in these pages. |
| The ectozoa of ruminants have received much attention, but I can merely indicate the known forms. |
| It conveniently stands thus, moreover, in direct contradiction to the term ectozoa. |
| In like manner a great deal has been written respecting the ectozoa of fishes. |
