EXPLANATION OF THE PLATES. 



273 



PLATE XV, 



PetroUsthes agassizii Fax. 



Pachijcheles panamensis Fax. 

 Pleuroncodes monodon M. Edw. ? 



Male. Enlarged. 



Right external maxilliped. 



Female. Enlarged. 



Left external maxilliped. 



Male. X IJ. 



Left chela, outer face. 



Antennule. 



External maxilliped. 



PLATE XVI. 



PLATE XVIII. 



Fig. 1. 



Munida propinqua Fax. 

 Munidopsis vicina Fax. 

 Munidopsis ciliata W.-M. 



Munidopsis agassirdi Fax. 



Male. Somewhat enlarged. 



External maxilliped. 



Female. Much enlarged. 



Cheliped. 



Male. Sixth abdominal somite, telson, and 



last pair of appendages, much enlarged. 



Station 3353. 

 Female. Much enlarged. 

 Chela. More highly magnified. 



PLATE XIX. 



Fig. 1. 

 " 1«. 

 « 2. 

 " 3. 

 " 3" 



Munidopsis hystrix Fax. 



(( a a 



Munidopsis villosa Fax. 

 Munidopsis sericea Fax. 



Enlarged. 



Chela. 



Male. Enlarged. 



Male. Enlarged. 



External maxilliped. 



PLATE XX. 



Fig. 1. Munidopsis ornata Fax. 

 1". 



" 2. Munidopsis margarlta Fax. 



" 3. Munidopsis crinita Fax. 

 " 3". " " " 



Male. Enlarged. 



External maxilliped, viewed from below. 



Enlarged. 



Female. Highly magnified. 



External maxilliped. 



