HANSEN'S TABULAR VIEW 



341 



CY MOT HO ID GROUP. 



Cirolanidae —- 



< 



/Mandibles with the rather broad, more or less triden-^ 

 tate cutting edges meeting squarely behind the 

 large upper lip ; the secondary plate and peculiar 

 equivalent for the molar well developed 



First maxillas having the plate of the first joint armed 

 with three spines, that of the third with many 



Second maxilke of moderate si7,e, the three free plates 

 very setose 



Maxiilipeds with the ' palp ' rather broad, ver}' setose 



Mandibles with the distal part produced itjto a long ^ 

 prominent process, the pair much overlapping; the 

 secondary plate and molar evanescent 



First maxillae having the plate of the first joint un- 

 armed, of the third carrying one very long spine 



Second maxillge small and feeble, the free plates almost i 

 rudimentary, with few set^ 1 



Maxiilipeds with the * palp' narrowed, not very setose I 



. (the antepenultimate joint rather elongate) ' 



' First maxillae having the plate of the first joint un- \ 

 armed, of the third carrying two spines or only one i 

 Second maxillge feeble, sometimes very small, with one I a ipironid'p 

 . plate or none, the setae very few or none j 



Maxiilipeds with the ' palp ' rather broad, with no elon- 



^ gate joint ' 



r Corallanidae 



Barybrotidae 



Mandibles with the secondary plate very often (per- \ 

 haps always) visible; the 'palp' with no inflated 



Maxiilipeds commonly seven- jointed, sometimes four- [ ^ ^ 

 jointed, the last joint in the latter case rather short, 

 obtuse ) 



Mandibles with no secondary plate; the 'palp' in the "i 

 adults with the first joint or both first and second 



joints inflated 



Maxiilipeds always four-jointed, the last joint rather J 

 long and narrow, subacute 



rCymothoidaj 



