Page:Smithsonian Miscellaneous Collections, Volume 85.djvu/100

Rh in position or an uninjured trunk limb. The carapace is thicker than that of Burgessia bella and the body is firmly attached to the fused segments forming the posterior dorsal shield, and there is a close union between the body of the cephalic region and the carapace



a, antennae; as, anal segment; ds, reflex margin of posterior carapace; en, endopodite; ex, exopodite; i, intestine; m, mandible; m ' , maxilla; m  , maxillula; seg, segmented posterior carapace; st, stomach; t'', telson.

(About ✕ 5.) Diagrammatic outline of ventral view of appendages, etc.

that extends from the anterior ventral margin of the latter back to the line of the anterior margin of the posterior dorsal shield. In the restoration (text figs. 1, 2) I have made an attempt to incorporate all information available.