Progress of Zoology

Medical Zoology

were sleeping; in these mosquitos were observed various stages of the development of the parasite. From such a study, considering the quantity of material used, we might expect, as indeed turned out to be the case, noteworthy results. Contemporaneously, mosquitos were studied, which were caught in stables and poultry yards, which, deriving their nourishment from the blood of birds and domestic ...

General Zoology

This little book contains a surprisingly large number of good descriptions of experimental techniques, presented with enough theory to make them intelligible. The chapters deal with blood, the circulation, respiration, muscle, peripheral nerve, the physical basis of body heat exchanges, and electronics in physiology. The methods are all physical rather than chemical, and such topics as electro-...

Textbook of Zoology

genetic relationship between predisposition to schizophrenia and heredito-constitutional resistance to tuberculous infection." Dr. Shuttleworth doubts that the author's figures warrant this claim as they show a decline of the death rate of tuberculosis at a rate to be expected in any population. To me, the author seems to make a very bold guess when he regards it probable that the common origin...

Institute of Zoology

Zoology: The Walking Heads

An analysis of Hox genes reveals that the body of the adorably weird tardigrades is essentially a truncated front end. This illustrates that loss and simplification are a hallmark of the evolution of animal body plans.