CONTRIBUCION AL CONOCIMIENTO DE LOS PIOJOS DE LOS ANIMALES DE MEXICO III

Resumen

The present work is a morphological study with biological annotations of the !ice of hen, Goniocotes hologaster Nitzsch.
The specimens employed were treated with transparenting mixtures with which were distinguished some  morphological details not quite brought out in other descriptions referring to the above mentioned organism. Goniocotes hologaster Nitzsch can be found on Mexican hens especially during the months of October , November and December judging by 16 collections made in different states of Republic.