520 



PROCEEDINGS OF THE NATIONAL MUSEUM 



0.25 MM 



Figure 1. — Lithoglyptes spinatus, new species, holotype female, drawn from photographic 

 enlargement and the specimen. Abbreviations: AK, attachment knob; AN, anus; ANT, 

 antennule; BS, blood sinus; CG, cement gland; CGF, cement gland furrow; DG, digestive 

 gland; E, esophagus; G, ganglion; HO, hook; M, muscle; MC, mouth cirrus; MO, mouth; 

 MP, mouth parts; OV, ovary; PH, pharynx; RG, rectal gland; RS, renal space; SP, 

 spine; STO, stomach; TC, terminal cirri; TO, tooth. Scale identical for figures 2-4, 5-7 

 and 8-9. Figures 2-10 made with the aid of a camera lucida. 



