| It would be an acarus, he observes, but it has only six legs. |
| We now come to the genus acarus, of which the cheese and sugar mites are examples. |
| It has not been demonstrated that the acarus so common in flour has had any injurious effect when eaten. |
| Yet the acarus has eight legs, like a spider, and the harvest-bug six, like an insect. |
| Scabs of any thickness may form, but the special features are the intense itching and the presence of the acarus. |
| The acarus autumnalis, or mower's mite, has been found in the skin of this part, and it is capable of causing great distress. |
