152 



DlCTYOSPONGID^ 



this condition of the nodes is normal and in how far the sponge is affiliated 

 with the last named genus can not at present be determined. 



The reticulwm is very fine-meshed, bearing no conspicuous major divisions, 

 and resembles that of Calatiiospongia. 



Of the two specimens referable to this species, one has a length of 75 ram., 

 the lower portion of the cup to the base of the nodes measuring 50 mm. At 



30 



Figures 19, 20. Tuhtdictya Warrenensis, Waverly sandstone, Warren, Pennsylvania. 

 Figure 19 gives a side view of the type specimen In which thestronj;, Irregular nodes are much foreshortened. The prominence 

 of these nodes Is brought out in flgure 20, In which the specimen is viewed from above. 



its base this specimen has a width of 45 mm., and its diameter at mid-length 

 is 35 mm. The other fragment is 65 mm. in length and is broken across the 

 expanded nodiferous portion, measuring in diameter to the exti-emities of the 

 nodes, 90 mm. 



Locdlity. In the Waverly sandstone, Warren, Pennsylv;mia. (Collection oi 

 Prof. C. E. Bekciij<:r.) 



TyLODICTTA (?) TEHTTIS, Hall (sp.). 

 Platk liii, Figs. 4, 5. 



1882. DwtyopTiyton teniie, Hall. Notes on the Family Dictyospongida) ; 



Expl. pi. 18, fig. 5. 

 1884. Dictyophyton temie, Hall. Thirty-fifth Ann. Kept. N. Y. State Mus. 



Nat. .Hist., p. 474, pi. 18 (19), fig. 5. 



The only known specimen of this species is a small fragment of a cup 

 bearing t\vo large, compound nodes separated ])y a deep longitudinal groove, 



