CONTENTS. . 
Boulder Mosaics in Dakota. Saacioan dl eee pe Peon I 
A Study of the Dandelion. [Illustrated.]....... cial, ae plates Gc Rite eee 
The Relations of Mind and Ma sg poset from "i 1159, : 
Precemiber mumber).. 503s sk a eee ee et Charles Morris cs «as wee ik 
Some Notes on the Life-history of the Common Newt. . Nicolas Pike... Pe To i 
The Relation of the Pectoral Muscles of Birds to the Downie of 
Pgh er A eon g è . Charles L. Edwards iea ,. 25 
ae pai ‘id's some of its s Apparent Ciiis T E EROS eg eS 26 
e Post-mortem Imbibition of Poi . George B. Miller Shee Site 
Pons of the Foicane of eat ocatepetel. Leger (AS: Packard 060s wise «LOD 
Notes on the (Ecodomas, or Leaf-cutt Ants of Tri inidad, 
[Mustrated.]. stiaGdlece sa A A Cowes 
The Teredo, or Shipworm. {Mustrated ] ee lee ee eR Co SARS o eee ees ae 
The Flood Rock Exp oe 0 ee ew » William Hosea Ballou sw w + 137 
Migration of Siouan Hea “TM salen wk ese Geib ie ade Omm Dore Ses r en eee 
e Torture of the Fish-hawk. [Tllustrat wats a eee ree L LARCOHET NEE Ce SOS 
A Study of Garden Letinces o oe yyy ek is Se e E. L. Sturtevant...» » 83 
Aquatic Respiration in Soft-shelled Turtles: = Daoso to 
the Physiology of Respiration in Verteb s.c e s oo Simon H. and Susanna hae 
Er Se Se eee 
T of a new Subspecies of the common Eastern Chip- 
Me whi e e Sie Ae e NE G x C, Hart Merriam... + + + 239 
Fih.) kareta and Tracks in the Triassic Rocks at Weekaniicen: : 
N. [Iustrated.] . irre See FS Orama s e e e 
Resemblances in Arts widely epii z a ier ae ok Oits T. Mason i o Ae ae 
ry of Nasu x cis in Samel Locked 0 Se eae “ 
The Meikin of Saline. fF Maanated 3. wep tee en 6 Dilan ee ate 326 ee 
The Stone Ax i in Vermont, [unstated] ¢ s a aA Geo. H. — gga Coane 3 ee 
Grosse’s Classification and Structure of the Bird lice or Mallo- =o 
phaga paiieeewaedF. re EA boat oe OG Mache ee ee Soe oie 
Track of a Cyclone which neds over Western tadini more 
than three hundred years ago... . oo e> <- oo» + «Jno. T. Campbell... a.o o © + 348 
On the Mounting of Fossils. [Ilustrated.] . es ese. rahi C Müs suete D 
The Limits of Organic Evolution. . - H. W. Come. ien eeo ONS 
ient Rock Inscriptions in Eastern Dakota. finieseraeed) . Fe A Se ee a 7 
Variation of Water in Trees and Shrubs. [Illustrated.]. . . LD. P. Penhallow . sa ee i) 
Domestication of the Grizzly Bear. . re ou John Dean Caton , OP rare oa =| 
On the Nature an and right of the sonalted: is Spiral Thread ” z 
Tracheæ., [Illustrated]. ...... ih toad egg sts P 
che Making of Man.) 27S 2 Sos a ee wheres Mer S ee 
Review of a PER of Nortti Ama ‘Juvebisbeatl Pale- 
_ ontology for 1885. . cee Be Marcon 
Gravitation and the Sonting Birds. _Ciastrated) ee <. FE Lamar a a 
Causes of riaan Rotation. shinana ee JAAT OE S 
Observations ni Yonne Huomiaritis < sirsa ES o ; 
Tha Whck alec of Brisg Co eek ee wee Se He ge a = 
SE eee Santee [Illustrated.] . . o Geo. F. Atkinson. >. seu woo 
A few Legendary Fragments from the Point Barrow Bekimi . Jaka Mardeck oo eae eee 
History of Celery, [Illustrated]. ........++... -&. Lewis Sturtevant ... 599 
/ The Yellow-billed Magpie aE a an r E ie de 
e Phylogeny of the Camelidæ. [Illustrated.].... - iR D OMe ce pe ee OMe 
Ants’ Nests and their Inhabitants cs Joke Be SW A on Oe 
nts aes 
Geographical and Geological Heplarations in Breall . » «John C Brauner... +. - 
