48 HAWAIIAN AND OTHKH PACIFIC ECHINI. 



Station 4079. Off Puniawa Point. Maui, H. I. Bott. temp. 60.8°. US- 

 ITS fms. Gy. s., for. 



Station 4080. Off Puniawa Point, Maui, H. I. Bott. temp. 56.4°. 178- 

 202 fms. Gy. s., for. 



Station 4081. Off Puniawa Point, Maui, H. I. Bott. temp. 51.7°. 202- 

 220 fms. Gy. s., for. 



Station 4099. Off Puniawa Point, Maui, H. I. Bott. temp. 60.7°. 152- 

 153 fms. Fne. s., for., sir. 



Station 4101. Off Mokuhooniki Islet, Pailolo Channel, H. I. Bbtt. temp. 

 59.7°. 122-143 fms. Co. s., sh., for. 



Station 4115. Off Kahuku Point, Oahu, H. I. Bott. temp. 55.1°. 195- 

 241 fms. Co. s., for. 



Station 4122. Off Barber's Point Light, Oahu, H. I. Bott. temp. 64.6°. 

 192-352 fms. Crs. co. s., sh. 



Station 4132. Off Hanamaulu, Kauai, H. I. Bott. temp. 46.8°. 257-312 

 fms. Fne. gy. s., m. 



Station 4965. Between Kobe and Yokohama, Japan. Bott. temp. 49.4°. 

 191 fms. Dk. gr.-gy. s., sh. 



Station 4966. Between Kobe and Yokohama, Japan. Bott. temp. 44.1°. 

 244-290 fms. Br. m., s., for. 



Station 4967. Between Kobe and Yokohama, Japan. Bott. temp. 45.9°. 

 244-253 fms. Br. m., s., for. 



Station 5091. Off Gulf of Tokyo, Japan. Bott. temp. 47.6°. 197 fms. 

 Gn. m., crs. bk. s., p. 



BathjTnetrical range, 28-352 fms. Extremes of temperature, 74°-44.1°. 



Four hundred and sixty-six specimens. 



Laganum diploporum.' 



A. Agassiz and Clark, 1907. Bull. M. C. Z., 51, p. 129. 



Plates 127, figs. 9-12; 142, figs. 2-J^. 



So nearly related is this species to the preceding (fudsiyama) that a detailed 

 description would be quite superfluous. Comparison of figs. 2-4, PI- 142, with 

 those oi fudsiyama (PI. 141, figs. 4--7) will make plainer than any words the 



' AurXos = double + jropos = pore, in allusion to the two genital pores in the posterior interambu- 

 lacrum. 



