610 FISHERIES OF THE UNITED STATES. [98] 



Spongilla montana Potts. 



17. Catskill Mountains, New York. Transparent. 



18. Catskill Mountains, New York. Spicules. 



JSpongilla fragilis Leicly. 



20. Type, from a specimen in the collection of the Academy of Natural 



Sciences of Philadelphia. 



21. Schuylkill River, Philadelphia, Pennsylvania. Opaque. 



22. Schuylkill River, Philadelphia, Pennsylvania. Transparent. 



23. Schuylkill River, Philadelphia, Pennsylvania. Spicule3. 



24. Ridley Creek, Media, Pennsylvania. Transparent. 



25. Var. Ottaivaensis Dawson. Buffalo, New York. 



26. Var. minuta Potts. Lehigh Gap, Pennsylvania. 



27. Var. minutissima Potts. Lake Hopatcong, New Jersey. Opaque. 



28. Var. minutissima Potts. Lake Hopatcong, New Jersey. Transpar- 



ent. 



29. Var. minutissima Potts. Lake Hepatcong, New Jersey. Spicules. 



30. Var. irregularis Potts. Lake Hepatcong, New Jersey. 



31. Var. Lordii Bk. From Bowerbank's type specimens. 



Meyenia Leidii Bk. 



32. Phillipsburg, New Jersey. Opaque. 



33. Schuylkill River, Pennsylvania. Opaque. 



34. Schuylkill River, Pennsylvania. Transparent. 



35. Schuylkill River, Pennsylvania. Spicules. 



Meyenia fluviatilis Johnston. 



36. European form, received from H. J. Carter. 



37. (?) Chester Creek, Pennsylvania. Opaque. 



38. (?) Chester Creek, Pennsylvania. Transparent. 



39. (?) Chester Creek, Pennsylvania. Spicules. 



40. Var. astrosperma Potts. Lehigh Gap, Pennsylvania. Opaque. 



41. Var. astrosperma Potts. Lehigh Gap, Pennsylvania. Transparent. 



42. Var. astrosperma Potts. Lehigh Gap, Pennsylvania. Spicules. 



43. Var. acuminata Potts. Lake Cochituate, Boston, Massachusetts. 



Opaque. 



44. Var. acuminata Potts. Lake Cochituate, Boston, Massachusetts. 



Transparent. 



45. Var. acuminata Potts. Lake Cochituate, Boston, Massachusetts. 



Spicules. 



Meyenia robusta Potts. 



46. Honey Lake Valley, California. 

 Meyenia crateriforma Potts. 



47. Brandy wine County, Pennsylvania. Opaque . 



48. Brandywine County, Pennsylvania. Transparent. 



49. Brandywine County, Pennsylvania. Spicules. 



Meyenia JEveretti Mills. 



50. Berkshire County, Massachusetts. Opaque. 



51. Berkshire County, Massachusetts. Transparent. 



52. Berkshire Coanty, Massachusetts. Spicules. 



