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Subfamiljr Ueredininae. 

 Genus T^^I^EDiri laraarck. 



TEHEDIITA BOV/DETIIAJTA Ball. 



Terecllm bowdenlana Pall, 1898, Trans. I7afmer Free Inst. Soi., 



Philadelphia,, vol. 3, pt. 4, pp. 822-82,'?, pi. 36, fig. 4. 



DescriT)tion .- "The specinen obtained is the portion of a 

 tube containing most of the left valve of a Teredim . v/ith very 

 marlred soulpt'u-e. The anterior border is formed bj; a narrow, ir- 

 rep-ularly broken strip of the shelly matter belonfcing to the 

 missing tube. The thin posterior border of the valve is not in- 

 tact, though enough remains to shov^ the character of the sculp- 

 ture. The sculoture of thr anterior part of tlie valve is eom- 

 ■oosed of small, four-sided lozenffes„ separated by sharp, narrow, 

 arcuste grooves in such away as to produce the effect of a nart- 

 in? on the periphery of the valve. '"his o-roovpfl n-nr] faceted 

 sculpture ceases abruptly behind, but the rows of ..acets are •r'on- 

 tinuei as wider longitudinal riblets posteriorly. The ^ombonal 

 reflection is heavy and radially striate; the m-io -'hysis seens to 

 h?.ve been obsolete and its remains appressed to the internal arch 

 or the umbo. The whole is rather thick and solid, and the ant- 

 c-rc-T5osterior length of the frs.gment is cix and a half millimeters. 

 "The very distinct sculpture of this shell instantly dis- 



