160 HISTORY OF BRITISH CRUSTACEA. 



poda, which is here adopted, is mostly from Mr. Spence 

 Bate's Synopsis in the February number of the ' Annals and 

 Magazine of Natural History/ That gentleman has made 

 the Order his special study, and has added many genera and 

 species to our Marine Fauna. 



Fam. OUCHESTIDJE. 

 Adapted for leaping. Mandibular palpus wanting. Body 

 compressed j epimera broad. Two shortish posterior caudal 

 appendages. Upper antennas shorter than basal joints of 

 lower antennas. 



Gen. 58. TALITRUS, Latr. 



First pair of feet simple in both sexes. Second pair of 

 feet not subcheliform ; upper antennas shorter than the two 

 basal joints of the lower ones. Lower antennse long. 



The species of this genus live in great companies, and 

 prey on garbage stranded on the coast, devouring quickly 

 both animal and vegetable matter. They can dig into the 

 sand with their fore feet. 



Talitrus locusta. Common Sand-7iopper. — More or 

 less of a horny colour. Antennas reddish ; those of the male 

 longer than the body. Second pair of legs much smaller 



