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PLATE XXXVI. 



Paradryiiiiis: six-jointed maxillary 'and three-jointed labial 



palpi. 



.WcodryiiiKs kocbclci: six-jointed maxillary and three-jointed 



la'bial palpi. 



Prosantcoii clicloi^ynoidcs; showing similar parts. 



CJialcogoiiatopiis gigos, showing- the same. 



Ah''oclicloi:;ymis iiii^riconiis\ maxillary |)alpus with 6-joints, 



liukocbclcia inirahilis: maxillary ])ali)ns with six, labial with 



three joints. 



Paraiifcflii inyniiccof^hlliis, showing the same. 



Gonatopus aiistraliac; tive-jointed maxillary palpu.«;. 



Pscitdogoiiafo/^us aiiicricainis: fonr-jointed maxillary ])alpus. 



Ncoi!;onafof>iis diibiosiis; fonr-jointed maxillary palpns. 



Ha[>logonatopus amcricanus; two-jointed maxillary, and two 



aspects of the two-jointed labial palpus. 



Epigoiiatopiis solifariits: two-jointed maxillary palpus. 



Echthrodclf^hax fai'rchildii: four-jointed maxillary palpus. 



14. Paragonafof^iis nigricans: two-jointed maxillary palpus. 



15. Pacfiygoiicfo/^KS incla)iias: three-jointed maxillary palpus. 

 All the above figures are 'are drawn wit'h camera Iiicida from 

 dissections mounted in balsam or glycerine; the very short 

 basal joint of the maxillary palpus in some cases is not 

 verv distinct. The labial palpus of all the forms of which 

 the maxillary palpi are represented by fig. 8-15. is very 

 short and two-jointed, and is drawn onlv in the case of 

 Haf^logfliiatol^iis (fig. 11). 



3- 

 4- 



5- 

 6. 



/• 

 8. 



9- 

 10. 

 1 1. 



12. 



T3- 



Plate XXXVII. 



Gonatopits atisfraliac, chelae. 



Pseudogonatoptis dicJiroiiius. c'helae and preceding tarsal 

 joints. 



Epigoiiatopiis solitariits, c'helae. 

 Paragonatopus nigricans, c'helae. 

 Chalcogonatopus gigas, chelae. 

 Haplogonatopus amcricanus, chelae. 

 P achy goiiat opus niclanias. chelae. 

 Echthrodelphax nigricollis, chelae. 



Ncogonafopns 7'ificnsis. chelae and preceding tarsal joints. 



It will be observed that fig. t. 3, 5, 7, q, show the simi- 



laritv between the chelae of the forms of Gonalopus, scnsu 



