no 
BULLETIN OF THE LABORATORIES 
Fig. 20, Phacops pulchellus. n. sp; a glabella, with fixed cheeks. 
Fig. 21. Phacops pulchelhis ., n. sp; a head, the cheeks on the right wanting. 
Fig. 22. Dalmanites Wej'thneri^ Foerste; a head, the spines wanting ; a, a de- 
tached spine, seen from below. 
Fig. 23. Dalmanites Werthneri, Foerste; a pygidium. 
Fig. 24. Dalmanites Werthneri., Foerste; an almost entire specimen. 
Fig. 25. Dalmanites Werthneri, Foerste; an eye, magnified. 
Fig. 26. E7tcrinurus Thres\eri, n. sp; a pygidium, figured a little too narrow. 
Fig. 27. Dictyojiema pertenne, ;z. sp; a, a frond; b, part of the same magnified. 
Fig. 28. Dictyonema scalariforme., n. sp; a frond. 
Fig. 29. Dictyone})ia scalariforme., n. sp; a part of the same magnified. 
Fig. 30. Pterinea brisa, Hall; a right valve. 
Fig. 31. Streptorhyncus tenuis, Hall; a dorsal valve. 
F'ig. 32. Streptorhyncus tenuis, Hall; a ventral valve. 
' Fig. 33. Bucania tfilobata. Hall; a, a lateral view ; b, dorsal view ; both views, 
X 5- 
Fig. 34. Strophomena patenta. Hall; a ventral valve of a young specimen, with 
no distinctly elevated beak, referred here. 
Fig. 35. Strophomena patenta. Hall; a ventral valve of a young specimen of 
the normal type. 
F'ig. 36. Strophomena patenta. Hall; a ventral valve at an older stage. 
Fig. 37. Strophomena patenta. Half a dorsal valve, the cardinal angles not 
acute. 
Fig. 3S. Streptorhyncus tenuis. Hall; a few of the radiating striae enlarged, 
showing fine concentric striae. 
Fig. 39. Ichthyocrinus sp; a fragment of the calyx. > 
Figs. 40, 41. Bases of calyces of crinoids, of unknown relation. 
Figs. 42, 43. Plates from calyces of ;in unknown crinoid. 
Fig. 44. A specimen of unknown relation, probably a part of some crinoid! 
