543 



(Spirostreptidae, Spirobolidae, Cambalidae, Trachy- 

 iulidae, Pseudoannolenidae.) (Ob die Stemmatoiulidae eine 

 3. Superfamilie darstellen, bleibt abzuwarten.) 



Wenn die Symphy ognatha und Chorizognatha vorläufig auch 

 nur durch das Gnathochilarium unterschieden sind, so ist doch wahr- 

 scheinlich, daß bei weiterer Durcharbeitung der zu den Choriz o gnatha 

 gehörigen Familien sich noch mehr Differenzen ergeben werden. Sodann 

 ist der Unterschied der Symphyognatha gegenüber allen andern 

 Diplopoden ein so auffallender und durchgreifender, daß er einer be- 

 sonderen Hervorhebung sicher bedurfte. 



4. Unterordnung Colobognatha Brandt 1834. 

 II. Ordnung Opisthandria Verhoeff 1894. 



Die sonstigen obigen Superfamilien werden an andrer Stelle eine 

 Charakterisierung erfahren. 



II. Mitteilungen aus Museen, Instituten usw. 



Linnean Society of New South Wales. 



Abstract of Proceedings, April 28 th, 1909. — Mr. David G. Stead 

 exhibited some specimens of a small freshwater perch, Therapon unieolor 

 Günth. , from an artesian well at Corella, in the north-west of New South 

 Wales. The evidence forthcoming seemed to justify the belief that the fishes 

 had come up the bore with the escaping water; and that they, therefore, furni- 

 shed argument for the existence, at a great depth, of an underground channel 

 connecting with the surface-waters at some point. The bore ("Corella Nr. 1") 

 is 943 feet deep. — Some of the fishes had empty eye-sockets, and others 

 protruding eyes. Those that possessed the latter had just the appearance of 

 deep-sea fishes, which, having suddenly come to the surface, had become 

 affected by the internal gases expanding and getting behind the eyes. Some, 

 which had not the eyes bulging in their present condition, showed distinct 

 signs that this had previously taken place, the eye being sunken and loose- 

 looking. When the bulged eyes were submitted to pressure, they immediately 

 collapsed. In some, one side showed an almost normal eye, while the other 

 exhibited a smooth, empty eye-socket. In cases like the latter, the eye had, 

 apparently, suddenly burst, the lens being thrown out, and the remains of the 

 eye had simply "dried up"; a smooth skin (without any signs of a lesion) 

 then lining the socket. The opinion was expressed that these fishes did not* 

 live, breed, and "have their being" in subterranean depths, but that they had 

 got into the artesian water by some subterranean channel within the life- 

 time of each individual, and, in some cases, fairly recently. Therapon 

 unieolor J even as a normal surface-fish, had a highly remarkable distribution 

 in Australia, finding its way into the most unlikely places by, at present, 

 unknown means. A knowledge of the spawning-habits would probably throw 

 some light on this, but at present nothing is known. — Mr. T. Steel ex- 

 hibited specimens of one of the common small clay-nest-building wasps, 

 Alastor eriurgus Sauss., from Brisbane, together with the brood-nests which 

 the insect had constructed out of the gum of the Mango tree instead of the 



