ANTS AND MYRMECOPHILS 401 



is in charge. This suggestion is made by Bonner to explain 

 the finding of over 100 specimens of C. longicornis in a fuliginosus 

 nest by Rosenberg in 1911. The difference in the color of the 

 umbratus and the fuliginosus nests he attributes to the oxidation 

 of the nest materials which at first are light and yellowish but 

 later turn black 



Brun (3) published this book in 1914. It is a critical experi- 

 mental study of ant behavior and a contribution to the mneme 

 theory. It is listed here as it is a work that should not go un- 

 recorded in a list of ant literature. 



Crawley (5) records observations regarding the behavior of 

 fertilized females of Lasius umbratus. He states that such females 

 at once devour one or more workers of L. niger if the latter are 

 available. The author thinks that this act produces the proper 

 odor, physiological state or other condition necessary for the 

 acceptance of the umbratus female into the nests of L. niger. 

 He found that queenless colonies of L. , niger accepted these 

 queens readily while they usually killed queens that were intro- 

 duced into their nest before they had eaten a niger worker. Even 

 L. niger colonies with queens did not kill the umbratus queens 

 for some time if the latter had previously eaten a niger worker. 



Crawley (6) here gives a list of ants collected in British Guiana 

 by Mr. E. Bodkin. With many of the species he gives rather 

 full habitat and breeding notes making the paper one of consid- 

 erable interest. 



Davis (7) found on July 26, 1914, on Long Island, a nest of 

 Formica jusca var. subsericea that measured 18 feet in diameter. 

 He noted that while the ants of this species are usually not very 

 pugnacious those of this nest seemed to be quite vicious. The 

 nest was in an open wood of pines and oaks. It was apparently 

 the work of one colony. 



Donisthorpe's book (8) on ants has received mention in the 

 Entomological Record (1915) p. 237 and in Science (1916) p. 

 316-18. These reviews have been extremely favorable. The 

 book stands out as the important publication on ants in the 

 year 1915. As is to be expected in so large a publication many 

 phases of the subject of ants and their relationships are discussed. 

 In general the material can be divided into a first part which 

 deals with the external and internal anatomy of ants, a second 

 part that treats of ant physiology and a third division that dis- 



