302 REPORT OF NEW JERSEY STATE MUSEUM. 



pods), which act with telson as powerful tail fin, and strength- 

 ened by stout process from basal segment ending in one or two 

 spines. 



This order embraces a single family. 



Family CHLORIDELLID^. 

 The Mantis Shrimps. 



Abdomen larger than cephalothorax, gills attached to its 

 under surface, last joint and appendages of joint next, greatly 

 developed. Carapace more or less quadrilateral, with two longi- 

 tudinal grooves above leaving exposed two first head segments 

 and several body segments. Frontal plate mobile, separated 

 from carapace by suture. Internal antennae with three flagella. 

 External antennae short, bearing large oval scale. Second pair 

 of maxillipeds large, prehensile, with inferior edge of last two 

 joints usually amied with spines. Three first pairs of thoracic 

 legs shorter, prehensile, applied to buccal cavity, with last joint 

 but one expanded. Succeeding pairs of thoracic legs slender. 



Remarkable crustaceans, strongly suggestive of the orthop- 

 terous insects known as the Mantis or Praying Horse. They 

 range through most seas in shallow water, -and may be found 

 sometimes in holes, tide-pools and holes in the sand at low tide. 

 The young are said to occur on the surface of the sea. 



Genus CHLORIDELLA Miers. 



Tlie Squills. 



Chloridella Miers, Ann. Mag. N. Hist. London (5) V, 1880, p. 13. Type 

 Chlorida latreillii Eydoux and Souleyet, virtually third species. (Pro- 

 posed to replace Clorida.) 



SqiiUla (nee Miiller 1776 and 1788, Scopoli 1777, O. Fabricius 1780) J. C. 

 Fabricius, Entomol. Syst., II, 1793, p. 511. Type Sqiiilla maculata J. C. 

 Fabricius, first species. 



Clorida (nee CliJcnda Serv. 1834) Eydoux and Souleyet, Voy. Bonite, Zool., 

 I, 1841, p. 264. Type Clorida latreillii Eydoux and Souleyet, monotypic. 



Chlorida, auct. 



