EXPLANATION OF THE PLATES. 269 



PLATE J. 



Fig. 1. Gnathojihausiabrevisjyinis'^.-M.. x If. Station 3375. Colored from life. 



" 1°. " " " Dorsal view. More enlarged. 



" 1\ " " " Eye-stalk and eye. Enlarged. 



" 1''. " " " Right antennal scale. Enlarged. 



" V. " " " Telson and posterior pair of abdominal ap- 

 pendages. Enlarged. 



" l'. " " " End of the telson. More highly magnified. 



PLATE K. 



Fig. 1. GnathophausiaivillemoesiiG.O.^A'RS. Natural size. Station 3.392. Colored from 



life. 



2. Eucopia sculpticauda Fix. Young female ? X Sf. Station 2619 Hydr. 



Colored from life.- 



2". " " " Telson and posterior pair of abdominal ap- 



pendages. Enlarged. 



2'. " " " Hinder part of the telson, more highly 



magnified. 



2-. " " " Distal portion of one of the legs of the third 



pair, or third gnathopods. Enlarged. 



2''. " " " Distal end of one of the legs of the fourth 



pair (anterior pair of elongated legs). En- 

 larged. 



PLATE I. 



Fig. 1. Euprognatha granulata Fax. Female. Enlarged. 



" 1". " '' " Antennal and oral region. Enlarged. 



" 2. Anamathia occideritalis Fax. Male. Somewhat enlarged. 



" 2". " " " Ventral side. Somewhat enlarged. 



" 3. Sj)henocarcinus agassizi Eathb. Male. X IJ. 



" 3". " " " Anterior part, from below, x IJ. 



PLATE II. 



Fig. 1. Maiopsis panamensis Fax. Male. | natural size. 



" 1". " " " Antennal and oral region. Slightly reduced. 



" l*. " " " Sternum and abdomen. " " 



" v. " " " End of left chela, from inside. Nat. size. 



PLATE IIL 



Fig. 1. Lambrus hossleri Fax. Female. Somewhat enlarged. 



" 1°. " " " Male, from below. 



" 2. Xanthodes sulcatus Fax. Enlarged. 



" 2". " " " Antennal and oral region. 



" 3. Panopeus latus Fax. Male. Enlarged. 



" 3". " " " Antennal and oral region. 



" 4. PanojKUs Uinneri Fax. Male. Enlarged. 



" 4". " " " Antennal and oral region. 



