REPORT ON THE TTJNICATA. 



2G3 



shown in both northern and southern hemispheres. A + means merely that the species 

 opposite which it is placed was found by the Challenger expedition somewhere between 

 the limits of latitude which the column represents. Hence it may indicate more than 

 one occurrence of the same species. 



North Latitude. 



45°-40< 



+ 



40°-30° 30°-20° 20°-10°10°-0 



Genus. 



Species. 



Ascopera gigantea, . 

 /,, diu/rtdtita, 



Molgula giganlea, 

 gregaria, 



pedunmlata, 



horrida, 



forbad, 



pyriformis, 

 Eugyra Jcerguelenensis, 

 Boltenia elegans, 



legumen, 



liaclnjtlfniiatina 

 Culeolus murrayi, . 



wyoille-thomsoni, 



recumbens, 



[icrhiruhix, 



perlatus, 



moseleyi, 

 Fungulus cineri us, 

 Microcosmit* In lleri, 



prqpinquus, 

 polymorphus, 

 Cynthia cerebriformis, 



fissa, . 



furmosa, 



arenosa, 



inrgidarin, . 



pallida, 



papii /- nsis, 



complanata, 



hispida, 

 Styela byfhia, 



squamosa, 



tir<in>l is, 



gyrosa, . 

 convexa, 

 laetea, . 



South Latitude. 



0°-10° 10°-20° 20°-30° 30°-40° 40°-45' 



+ 



+ 



+ 

 + 



+ 



+ 

 + 



+ 

 + 

 + 

 + 



+ 

 + 



+ 

 + 



+ 

 + 

 + 

 + 

 + 

 + 



+ 

 + 



+ 

 + 



+ 

 + 

 + 



+ 

 + 



