1917 Way; on Taxonomy of Crabs ■ 375 



Intumescence: State of being swollen or enlarged. 



Ischiopodite: Same as ischium. 



Ischium:" Basal joint of endopodite ; fifth joint counting back from the 

 distal end of an appendage with all parts present. 



Lyrate : Lyre-shaped. 



Maxillipeds : The first 3 thoracic appendages. 



Merus: Fourth joint counting back from distal end of the thoracic ap- 

 pendage. 



Natatory: Used for swimming. 



Orbicular: Round or nearly so. 



Palm: The basal portion of the hand. 



Palp: The last 2 or 3 small terminal joints of either branch of the maxil- 

 lipeds. 



Pleopod: An abdominal appendage. 



Follex: The immovable finger of a cheliped. 



Propodus: The second joint from the distal end of the thoracic appendage 

 of a decapod. 



Proximal: Near or towards the body; opposed to distal. 



Pterygostomian region: Portion below lateral margins on either side of 

 the mouth area. 



Pubescent: Covered with short soft hairs or down. 



Punctate: With minute depressions or pits. 



Pyriform: Pear-shaped. 



Serrate: Notched on the edge like a saw. 



Seta: Any slender, more or less rigid, bristle-like structure. 



Sinuate : Having the margin alternately curved inward and outward ; 

 wavy. 



Spatulate : Spoon-shaped. 



Spiniform : Thorn-like. 



Sternal plastron: The ventral portion of the thorax. 



Styliform: Having the form of or resembling a style, pin, or pen. 



Sub: Almost, nearly or somewhat. 



Subcarcinate : Somewhat keeled. 



Subequal: Almost equal. 



Sulcus : A groove. 



Suture: The line of junction of contiguous parts that seem to have grown 

 together. 



Trigonous: 3-angled. 



Truncate: Ending abruptly as if cut off transversely. 



Verges: The male intromittent organ of any of the invertebrates. 



